TY  - BOOK
AU  - D'Souza,Stanislaus
TI  - Closed birth intervals: a data analytic study 
U1  - 301.3210151 
PY  - 1974///
CY  - New Delhi
PB  - Sterling Pub.lishers
KW  - Birth intervals
KW  - Mathematical models
N1  - A revision of the author's thesis, Princeton University, 1971
ER  -