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\bibitem{altmann:babel}
Jerry Altmann.
\newblock {\em The Ascent of Babel}.
\newblock MIT Press, Cambridge, Massachussetts, 1998.

\bibitem{baker:polysynthesis}
Mark~C. Baker.
\newblock {\em The Polysynthesis Parameter}.
\newblock Oxford Studies in Comparative Syntax. Oxford University Press, 1996.

\bibitem{blake:case}
Barry~J. Blake.
\newblock {\em Case}.
\newblock Cambridge Textbooks in Linguistics. Cambridge University Press, 1994.

\bibitem{dench:martuthunira}
Alan~C. Dench.
\newblock {\em Martuthunira. A Language of the Pilbara Region of Western
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\newblock Number C -- 125 in Pacific Linguistics. Australian National
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\bibitem{dixon:ergativity}
R.~M.~W. Dixon.
\newblock {\em Ergativity}.
\newblock Number~69 in Cambridge Studies in Linguistics. Cambridge University
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\bibitem{ebert:stacks}
Christian Ebert.
\newblock {F}ormal {A}nalysis of {L}anguages with {S}tacked {C}ases.
\newblock Master's thesis, Mathematisches Institut, Universit\"at Heidelberg,
  1999.

\bibitem{evans:kayardild}
Nicholas~D. Evans.
\newblock {\em A Grammar of Kayardild. With Historical--Comparative Notes on
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\newblock Mouton de Gruyter, Berlin, 1995.

\bibitem{fine:transparency}
Kit Fine.
\newblock Transparency, {P}art {I}: {R}eduction.
\newblock Unpublished manuscript, UCLA, 1992.

\bibitem{harrison:formal}
Michael~A. Harrison.
\newblock {\em Introduction to Formal Language Theory}.
\newblock Addison Wesley, Reading (Mass.), 1978.

\bibitem{keenan:binding}
Edward~L. Keenan.
\newblock On semantics and binding theory.
\newblock In John~A. Hawkins, editor, {\em Explaining Language Universals}.
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\bibitem{kracht:agreement}
Marcus Kracht.
\newblock {A}greement {M}orphology, {A}rgument {S}tructure and {S}yntax.
\newblock Unpublished manuscript, 1999.

\bibitem{lehmann:factors}
Christian Lehmann.
\newblock Word order change by grammaticalization.
\newblock In Marinel Gerritsen and Dieter Stein, editors, {\em Internal and
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\bibitem{lehmann:compound}
Winfred Lehmann.
\newblock A {D}isucssion of {C}ompound and {W}ord {O}rder.
\newblock In C.~N. Li, editor, {\em Word Order and Word Order Change}, pages
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\bibitem{lithompson:subject}
C.~N. Li and S.~A. Thompson.
\newblock Subject and topic: A new typology of language.
\newblock In C.~N. Li, editor, {\em Subject and Topic}, pages 458 -- 489.
  Academic Press, 1976.

\bibitem{michaeliskracht:semilinear}
Jens Michaelis and Marcus Kracht.
\newblock Semilinearity as a syntactic invariant.
\newblock In Christian R\'{e}tor\'{e}, editor, {\em Logical Aspects of
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\bibitem{nordlinger:case}
Rachel Nordlinger.
\newblock {\em Constructive Case. Evidence from Australian Languages}.
\newblock Dissertations in Linguistics. CSLI, Stanford, 1998.

\bibitem{palmer:roles}
Frank~R. Palmer.
\newblock {\em Grammatical roles and relations}.
\newblock Cambridge Textbooks in Linguistics. Cambridge University Press,
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\bibitem{plank:suffixaufnahme}
Frans Plank.
\newblock ({R}e-){I}ntroducing {S}uffixaufnahme.
\newblock In Frans Plank, editor, {\em Double Case. Agreement by
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\bibitem{vanvalinlapolla:syntax}
Robert~D. Van~Valin and Randy~J. LaPolla.
\newblock {\em Syntax. {S}tructure, meaning and function}.
\newblock Cambridge Textbooks in Linguistics. Cambridge University Press, 1997.

\bibitem{vennemann:drift}
Theo Vennemann.
\newblock An explanation of drift.
\newblock In C.~N. Li, editor, {\em Word Order and Word Order Change}, pages
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\end{thebibliography}
