Pollard, J. H. Mathematical models for the growth of human populations / J. H. Pollard. - Cambridge [Eng.] : University Press , c1973 [ Reprinted 1980]. - xii, 186 p. ; 22 cm. Bibliography: p. 150-154. and index. ISBN: 052120111X Subjects--Topical Terms: Population--Mathematical models. Dewey Class. No.: 304.6 / POM 1980