共 50 条
- [32] THE GEOGRAPHY OF SOUTHERN-AFRICA [J]. PETERMANNS GEOGRAPHISCHE MITTEILUNGEN, 1958, 102 (01) : 35 - 38
- [38] BREEDING SEASONS OF THE SOUTHERN POCHARD IN SOUTHERN-AFRICA [J]. OSTRICH, 1980, 51 (02) : 122 - 124
- [39] PREVALENCE OF HEPATITIS-B (AUSTRALIA) ANTIGEN IN SOUTHERN-AFRICA [J]. SOUTH AFRICAN MEDICAL JOURNAL, 1974, 48 (22): : 941 - 944
- [40] FLEXIBLE SPECIALIZATION IN THE PREFERENTIAL TRADE AREA OF EASTERN AND SOUTHERN-AFRICA [J]. IDS BULLETIN-INSTITUTE OF DEVELOPMENT STUDIES, 1989, 20 (04): : 44 - 47