共 50 条
- [42] STUDIES OF GREAT RURAL TAP ROOTS OF URBAN POVERTY IN UNITED-STATES - SMITH,TL [J]. SOCIAL SCIENCE, 1974, 49 (04): : 240 - 241
- [44] HISTORY OF AVIAN MEDICINE IN UNITED-STATES .3. SALMONELLOSIS [J]. AVIAN DISEASES, 1977, 21 (03) : 430 - 435
- [45] BIBLIOGRAPHY OF LOYALIST SOURCE MATERIAL IN THE UNITED-STATES .3. [J]. PROCEEDINGS OF THE AMERICAN ANTIQUARIAN SOCIETY, 1976, 86 (OCT): : 343 - 390
- [46] TRUST IN NATURAL-RESOURCE INFORMATION-SOURCES AND POSTMATERIALIST VALUES - A COMPARATIVE-STUDY OF UNITED-STATES AND CANADIAN CITIZENS IN THE GREAT-LAKES AREA [J]. JOURNAL OF ENVIRONMENTAL SYSTEMS, 1993, 22 (02): : 123 - 136
- [48] PLANT DISEASE INDEX FOR MAIZE IN UNITED-STATES .3. REFERENCES [J]. GEORGIA AGRICULTURAL EXPERIMENT STATION RESEARCH REPORT, 1978, (294): : 1 - 104