Human population problems in the biosphere : some research strategies and designs / edited by Paul Baker. - Paris : Unesco, c 1977. - 82 p. : ill. ; 28 cm. - MAB technical notes- 3. . Bibliography : p. 81-82 333 333 ISBN: 92-3-101482-X Subjects--Topical Terms: Population problem. Dewey Class. No.: 301.3 / U3h