TY  - BOOK
AU  - Ludwig Donald
TI  - Stochastic population theories
T2  - Lecture Notes in Biomathematics Ed by S Levin.3
U1  - Y:5:(B2816), L4 
PY  - 1974///
CY  - Berlin
PB  - Springer-Verlag          
KW  - Family Planning
N1  - Bibliography: P 103-104
ER  -