Science and the future of arid lands /
White, Gilbert F.(Gilbert Fowler),1911-author.
Calder, Ritchie,1906-1982,former owner.StEdNL : Calder.19
Unesco.
Ritchie Calder collection.
NS(MC)60/D.30/A
Author is Gilbert E. White on title page and Gilbert F. White on front cover.
Includes bibliographical references.
Arid regions