Boas, Hans Ulrich
Syntactic generalizations and linear order in generative transformational grammar
Gunter Narr Verlag, 1975
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Riemsdijk, Henk van
Introduction to the theory of grammar
MIT Press, 1987
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Hornstein, Norbert
As times goes by tense and universal grammar
MIT Press, 1990
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Principles and parameters in comparative grammar / edited by Robert Freidin
Cambridge University Press, 1992
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McShane, Marjorie Joan, 1967-
A theory of ellipsis
Oxford University Press, 2005
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