00631nam a2200193 4500 1/9595 730620s1973 enk 001 0eng 052120111X 9925 DLC GR-PeUP 301.32 PO Pollard, J. H. Mathematical models for the growth of human populations/ J. H.Pollard. Cambridge: University Press, 1973. xii, 186p.; 24cm. Bibliography. Population Mathematical models. INST UNIPILB MAIN 20040709 301.32 PO 00104731 00104731 LOAN 0 1 /webopac/covers/03/9925_052120111X.jpg