TY  - BOOK
AU  - Heer,David M.
TI  - Readings on population
T2  - Prentice-Hall readings in modern sociology series 
U1  - 312/.08  
PY  - 1968///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Demography.
N1  - Designed to supplement the author's Society and population.; Includes bibliographical references.
ER  -