共 50 条
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- [37] NEW RAW-MATERIALS AND NEW PRODUCTS IN FERTILIZER INDUSTRY CHEMISTRY IN NEW ZEALAND, 1973, 37 (04): : 122 - 122
- [38] RAW-MATERIALS IN THE NEW INTERNATIONAL ECONOMIC ORDER REVUE CANADIENNE D ETUDES DU DEVELOPPEMENT-CANADIAN JOURNAL OF DEVELOPMENT STUDIES, 1981, 2 (01): : 116 - 132
- [39] FIBROUS RAW-MATERIALS - WHAT SHOULD BE NEW PAPER TECHNOLOGY AND INDUSTRY, 1975, 16 (01): : 49 - 52