| 1 |
Syntactic change : a minimalist approach to grammaticalization / Ian Roberts and Anna Roussou
Cambridge, UK : Cambridge University Press , 2003
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| 2 |
Beyond principles and parameters : essays in memory of Osvaldo Jaeggli / edited by Kyle Johnson and Ian Roberts
: hbk,: pbk. - Dordrecht : Kluwer Academic , c1999
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| 3 |
Comparative syntax / Ian Roberts
: hbk,: pbk. - London : Arnold , 1997
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| 4 |
The syntax of the Celtic languages : a comparative perspective / edited by Robert D. Borsley and Ian Roberts
Cambridge : Cambridge University Press , 1996
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