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- [41] CHEMICAL-STRUCTURE OF LIGNIN ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1979, (APR): : 13 - &
- [44] HYDROPYROLYSIS OF COAL-DERIVED LIQUIDS AND OTHER HEAVY OILS AND SOLIDS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1978, 176 (SEP): : 39 - 39