Malvern D.David Lexical Diversity and Language Development Quantification and Assessment / [[Book] :] David D.Malvern .-Brian J.Richards. - New York : Palgrave Macmillan, 2008. - xvi,253 p ; 21Cm. All age. ISBN: 9781403902320 Subjects--Personal Names: Language acquisition Dewey Class. No.: 418.007 National Library of Medicine Call No.: 418.007 / M L