共 50 条
- [41] THE CAPACITY OF THE UNITED STATES TO SUPPORT POPULATION GEOGRAPHICAL JOURNAL, 1943, 102 (02): : 56 - 62
- [47] POPULATION EDUCATION IN UNITED-STATES JOURNAL OF ENVIRONMENTAL EDUCATION, 1977, 8 (04): : 35 - 42
- [48] Density of population and mortality in the United States AMERICAN JOURNAL OF HYGIENE, 1924, 4 (05): : 501 - 558