00366nam a2200121 a 4500008004100000050001800041100001700059245004000076246004600116260005300162350000900215650002000224120416s1959    ||||||||||||||||| ||    u  aHB 903.F4 Bac  aBack, Kurt W14aThe survey under unusual conditions  athe Jamaica human fertility investigation  aNew YorkbSociety for Applied Anthropologyc1959  a0.00  aHUMAN FERTILITY