共 50 条
- [44] CHEMICAL GUIDE TO UNITED STATES INDUSTRIE CHIMIQUE BELGE-BELGISCHE CHEMISCHE INDUSTRIE, 1965, 30 (11): : 1269 - &
- [47] THE UNITED-STATES AND AFRICA - GUIDE TO UNITED-STATES OFFICIAL DOCUMENTS AND GOVERNMENT-SPONSORED PUBLICATIONS ON AFRICA, 1785-1975 - WITHERELL,JW GOVERNMENT PUBLICATIONS REVIEW PART A-RESEARCH ARTICLES, 1980, 7 (01): : 105 - 105