共 2 条
- [1] DEVELOPMENT OF SEMI-FINISHED COPPER PRODUCTS TRADE BETWEEN FEDERAL-REPUBLIC OF GERMANY AND OTHER EEC COUNTRIES FROM 1960 TO 1969 METALL, 1970, 24 (11): : 1242 - &
- [2] DEVELOPMENT PROSPECTS FOR WORLD COPPER INDUSTRY - IMPLICATIONS AND ALTERNATIVES FOR FEDERAL REPUBLIC OF GERMANY - GERMAN - JURGENSEN,H AND SCHULZTRIEGLAFF,M GERMAN ECONOMIC REVIEW, 1971, 9 (01): : 50 - 51