共 23 条
[1]
BEEBE GW, 1942, CONTRACEPTION FERTIL, P222
[2]
CHANDRASEKARAN C, 1965, PUBLIC HLTH POPULATI
[3]
CHIANG C L, 1960, Hum Biol, V32, P221
[6]
CORRADO G, 1942, REV I INT STATISTIQU, V10, P1
[7]
DORN HAROLD F., 1950, HUMAN BIOL, V22, P238
[9]
HALDANE JBS, 1956, BIOMETRIKA, V43, P96
[10]
HANSEN MH, 1953, SAMPLE SURVEY METHOD, V2