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- [37] TRACE-ELEMENTS IN COAL AND THEIR POTENTIAL FOR ENVIRONMENTAL-POLLUTION ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1979, (APR): : 274 - 274
- [38] TRACE-ELEMENTS IN HERBS AND SPICES .1. TOXIC ELEMENTS LEAD, CADMIUM AND MERCURY FLEISCHWIRTSCHAFT, 1978, 58 (05): : 849 - 854
- [40] DETERMINATION OF SOME TOXIC TRACE-ELEMENTS IN INDIAN TOBACCO AND ITS SMOKE JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1992, 163 (02): : 349 - 353