中图分类法:	H0-05 版次：
著者:	Richards, Brian J.
题名:	Language development and individual differences : [ a study of auxiliary verb learning /] / ,
出版发行:	出版地： Cambridge [England] ; 出版社： Cambridge University Press, 出版日期： 1990.
载体形态:	xv, 252 p. : ill. ; 24 cm.
附注:	Includes bibliographical references (p. [236] -246) and index.
主题词:	Language acquisition.
主题词:	Grammar, Comparative and general Auxiliaries.
主题词:	Individual differences in children.
主题词:	English language Auxiliary verbs.