共 50 条
- [31] THE FREQUENCY OF CHILDRENS POISONINGS IN DIFFERENT SOCIAL-GROUPS HUMAN TOXICOLOGY, 1983, 2 (02): : 305 - 309
- [33] SOCIAL-GROUPS AS SYSTEM AND SUBSYSTEM - RAMSOY,O SOCIOLOGICAL QUARTERLY, 1965, 6 (03): : 312 - 313
- [39] SELECTION WITHIN AND BETWEEN SOCIAL-GROUPS FOR INFANTICIDE AMERICAN NATURALIST, 1990, 136 (05): : 673 - 688
- [40] ACCESSIBILITY OF VARIOUS SOCIAL-GROUPS TO DIFFERENT ACTIVITIES HIGHWAY ENGINEER, 1977, 24 (05): : 29 - 35