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Future sources of organic raw materials. 1 : CHEMRAWN - chemical research applied ot world needs : invited lectures presented at the World Conference on Future Sources of Organic Raw Materials, Toronto, Canada, July 10-13, 1978 /
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2
International solvent extraction conference: proceedings vol 0001 : ISEC 1977: proceedings vol 0001 : Toronto, 09.09.77-16.09.77.
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International solvent extraction conference: proceedings vol 0002 : ISEC 1977: proceedings vol 0002 : Toronto, 09.09.77-16.09.77.
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Origin and refining of petroleum : symposium : ACE-CIC joint conference, Toronto, Canada, May 25 - 28, 1970
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