POLLARD, A.H Demographic techniques / [by] A.H.Pollard, Fahat Yusuf and G.N.Pollard - Rushcutters Bay Pergamon Press 1974 - viii, 161 p. Includes appendix and index. ISBN: 80173780 Subjects--Topical Terms: Demography-methodologyPopulation-Analysis Dewey Class. No.: 304.6 / POL