共 5 条
- [1] GROVE RD, 1943, VITAL STATISTICS SPE, V17
- [2] HADLEY JN, 1950, VITAL STATISTICS SPE, V33
- [3] MORIYAMA IM, 1946, VITAL STATISTICS SPE, V23
- [4] Development of Birth Registration and Birth Statistics in the United States [J]. POPULATION STUDIES-A JOURNAL OF DEMOGRAPHY, 1950, 4 (01): : 86 - 111
- [5] TUTHILL DD, 1946, VITAL STATISTICS SPE, V23