Overbeek, Johannes. The population challenge a handbook for nonspecialists Johannes Overbeek. - Westport, Conn. Greenwood Press 1976. - xiv, 214 p. graphs. - Contributions in sociology no. 19 . Includes index. Bibliography: p. [200]-204. ISBN: 0837188962 13.95 LCCN: 76005328 Subjects--Topical Terms: PopulationPopulation policy LC Class. No.: HB871 / .O93 1976 Dewey Class. No.: 301.32