共 50 条
- [37] ECONOMIC-ASPECTS OF FEED PRODUCTION ARCHIV FUR TIERERNAHRUNG-ARCHIVES OF ANIMAL NUTRITION, 1981, 31 (03): : 221 - 222
- [38] ECONOMIC-ASPECTS OF SPACE INDUSTRIALIZATION EARTH-ORIENTED APPLICATIONS OF SPACE TECHNOLOGY, 1986, 6 (01): : 61 - 63
- [39] ECONOMIC-ASPECTS OF GLOBAL CHANGE GLOBAL ENVIRONMENTAL CHANGE-HUMAN AND POLICY DIMENSIONS, 1991, 1 (02): : 166 - 167