共 7 条
[1]
RYDER N, 1963, EMERGING TECHNIQUES
[2]
Ryder N.B., 1951, PHD DISSERTATION
[4]
PROBLEMS OF TREND DETERMINATION DURING A TRANSITION IN FERTILITY
[J].
MILBANK MEMORIAL FUND QUARTERLY-HEALTH AND SOCIETY,
1956, 34 (01)
:5-21
[5]
RYDER NB, IN PRESS INT ENCYCLO
[6]
RYDER NB, 1960, DEMOGRAPHIC EC CHANG, P117
[7]
RYDER NB, 1959, 30 YEARS RES HUMAN F