TY  - THES
A1  - Leasure, J.W.
T1  - Factors involved in the decline of fertility in Spain, 1900-1950
Y1  - 1962
N1  - Ph.D. Thesis
CY  - Princeton
T3  - Dept of Economics
PB  - Princeton University. University Microfilms, Ann Arbor, nr. 63-532

ER  -