\begin{thebibliography}{A}
\backrefparscanfalse\renewcommand\backref[1]{}
\renewcommand\backrefalt[4]{\ifcase #1\or In page #2.\else In pages #2.\fi}
%\def\backrefprint{}

\bibitem[BN1]{Bar-Natan:OnVassiliev} D.~Bar-Natan,
  \href{http://www.math.toronto.edu/~drorbn/LOP.html#OnVassiliev}{{\em
    On the Vassiliev knot invariants,}}
  Topology {\bf 34} (1995) 423--472. \backrefprint

\bibitem[BN2]{Bar-Natan:Braids} D.~Bar-Natan,
  \href{http://www.math.toronto.edu/~drorbn/LOP.html#Braids}{{\em
    Vassiliev and quantum invariants of braids,}}
  in Proc.\ of Symp.\ in Appl.\ Math.\ {\bf 51} (1996) 129--144,
  {\em The interface of knots and physics,} (L.~H.~Kauffman, ed.),
  Amer.\ Math.\ Soc., Providence. \backrefprint

\bibitem[BN3]{KBH} D.~Bar-Natan,
  \href{http://www.math.toronto.edu/~drorbn/papers/KBH/} 
    {{\em Balloons and Hoops and their Universal Finite Type Invariant, BF
      Theory, and an Ultimate Alexander Invariant,}}
  Acta Mathematica Vietnamica {\bf 40-2} (2015) 271--329, \arXiv{1308.1721}.
  \backrefprint

\bibitem[BND]{WKO1} D.~Bar-Natan and Z.~Dancso,
  {\em Finite Type Invariants of W-Knotted Objects I: Braids,
  Knots and the Alexander Polynomial,}
  \url{http://www.math.toronto.edu/drorbn/LOP.html#WKO1}, \arXiv{1405.1956}.
  \backrefprint

\bibitem[Br]{Brown:MultipleZetaValues} F.~C.~S.~Brown,
  {\em Multiple Zeta Values and Periods of Moduli Spaces
  $\overline{\mathfrak{M}}_{0,n}$,}
  Ann.\ Sci.\ de l'ENS {\bf 42-3} (2009) 371--489, \arXiv{math/0606419}.
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\bibitem[CDM]{ChmutovDuzhinMostovoy:VassilievBook} S.~Chmutov, S.~Duzhin,
  and J.~Mostovoy,
  {\em Introduction to Vassiliev Invariants,}
  Cambridge University Press, 2012. \backrefprint

\bibitem[Dr1]{Drinfeld:QuasiHopf} V.~G.~Drinfel'd,
  {\em Quasi-Hopf Algebras,}
  Leningrad Math.\ J.\ {\bf 1} (1990) 1419--1457. \backrefprint

\bibitem[Dr2]{Drinfeld:GalQQ} V.~G.~Drinfel'd,
  {\em On Quasitriangular Quasi-Hopf Algebras and a Group Closely
   Connected with $\text{Gal}(\bar{\bbQ}/\bbQ)$,}
  Leningrad Math.\ J.\ {\bf 2} (1991) 829--860. \backrefprint

\bibitem[En]{Enriquez:EllipticAssociators} B.~Enriquez,
  {\em Elliptic Associators,}
  Sel.\ Math.\ New Ser.\ {\bf 20} (2014) 491--584, \arXiv{1003.1012}.
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%\bibitem[ExQu]{ExQu} D.~Bar-Natan,
%  {\em Expansions and Quadraticity for Groups}
%  (self-reference), paper and related files at \url{\web}. The
%  \arXiv{????.????} edition may be older. \backrefprint

\bibitem[FR]{FalkRandell:LCS} M.~Falk and R.~Randell,
  {\em The Lower Central Series of a Fiber-Type Arrangement,}
  Invent.\ Math.\ {\bf 82} (1985) 77--88. \backrefprint

\bibitem[HL]{HabeggerLin:Classification} N.~Habegger and X-S.~Lin,
  {\em The Classification of Links up to Link-Homotopy,}
  J.\ Amer.\ Math.\ Soc.\ {\bf 3} (1990) 389--419. \backrefprint

\bibitem[Ho1]{Howie:RibbonDiscComplements} J.~Howie,
  {\em On the Asphericity of Ribbon Disc Complements,}
  Trans.{} Amer.{} Math.{} Soc.{} {\bf 289-1} (1985) 281--302.
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\bibitem[Ho2]{Howie:HigherRibbonKnots} J.~Howie,
  {\em Minimal Seifert Manifolds for Higher Ribbon Knots,}
  Geometry and Topology Monographs {\bf 1} 261--293, \arXiv{math/9810185}.
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\bibitem[Hu]{Humbert:Thesis} P.~Humbert,
  {\em Int\'egrale de Kontsevich elliptique et enchev\^etrements en genre
  sup\'erieur,}
  Ph.D.\ thesis, Strasbourg 2012. \backrefprint

\bibitem[KT]{KasselTuraev:BraidGroups} C.~Kassel and V.~Turaev,
  {\em Braid Groups,}
  Graduate Texts in Mathematics {\bf 247}, Springer 2008. \backrefprint

\bibitem[Koh1]{Kohno:MonRep} T.~Kohno,
  {\em Monodromy Representations of Braid Groups and Yang-Baxter Equations,}
  Ann.\ Inst.\ Fourier {\bf 37} (1987) 139--160. \backrefprint

\bibitem[Koh2]{Kohno:LinearRepresentations} T.~Kohno,
  {\em Linear Representations of Braid Groups and Classical Yang-Baxter
    Equations,}
  Contemp.\ Math.\ {\bf 78} (1988) 339--363. \backrefprint

\bibitem[Ko]{Kontsevich:Vassiliev} M.~Kontsevich,
  {\em Vassiliev's knot invariants,}
  Adv.\ in Sov.\ Math.\ {\bf 16(2)} (1993) 137--150. \backrefprint

\bibitem[LM]{LeMurakami:HOMFLY} T.~Q.~T.~Le and J.~Murakami,
  {\em On Kontsevich's Integral for the HOMFLY Polynomial and
    Relations of Multiple $\zeta$-Numbers,}
  Topology and its Applications {\bf 62} (1995) 193--206. \backrefprint

\bibitem[Lee]{Lee:VirtualIsQuadratic} P.~Lee,
  {\em The Pure Virtual Braid Group is Quadratic,}
  Selecta Mathematica {\bf 19-2} (2013) 461--508, \arXiv{1110.2356}.
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\bibitem[Li]{Lin:Expansions} X-S.~Lin,
  \href{http://math.ucr.edu/~xl/cv-html/pub.html}
  {{\em Power Series Expansions and Invariants of Links,}}
  in {\em Geometric topology} (proceedings of the Georgia international
  topology conference), (W.~H.~Kazez, ed.), 184--202, Amer.\ Math.\
  Soc.\ and International Press, Providence, 1997. \backrefprint

\bibitem[MKS]{MagnusKarrassSolitar:CGT} W.~Magnus, A.~Karrass, and D.~Solitar,
  {\em Combinatorial Group Theory: Presentations of Groups in Terms of
    Generators and Relations,}
  Wiley, New York, 1966. \backrefprint

\bibitem[MM]{MilnorMoore:Hopf} J. Milnor and J. Moore,
  {\em On the structure of Hopf algebras,}
  Ann.\ of Math.\ {\bf 81} (1965) 211--264. \backrefprint

\bibitem[Pa]{Papadima:UFTI4Braids} \c{S}.~Papadima,
  {\em The Universal Finite-Type Invariant for Braids, with Integer
    Coefficients,}
  Topology and its Applications {\bf 118} (2002) 169--185. \backrefprint

\bibitem[PP]{PolishchukPositselski:QuadraticAlgebras} A.~Polishchuk and
  L.~Positselski,
  {\em Quadratic Algebras,}
  University Lecture Series {\bf 37}, American Mathematical Society 2005.
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\bibitem[Qu]{Quillen:OnGrOfAGroupRing} D.~G.~Quillen,
  {\em On the Associated Graded Ring of a Group Ring,}
  J.\ of Algebra {\bf 10} (1968) 411--418. \backrefprint

\bibitem[We]{Weibel:HomologicalAlgebra} C.~A.~Weibel,
  {\em An Introduction to Homological Algebra,}
  Cambridge University Press, Cambridge, 1994. \backrefprint

\end{thebibliography}