Government Publications Review (1973)Volume 4, Issue 1, Spring 1977, Pages 77-87Western Europe and other countriesAuthor links open overlay panelGloria Westfall, Gail NicholsShow moreShareCitehttps://doi.org/10.1016/0093-061X(77)90085-5Get rights and contentFirst page previewClick to open first page previewView PDFRecommended articlesReferences (0)Cited by (0)View full textCopyright © 1977 Published by Elsevier Ltd.