sponsored by ASTM Committee D-5 on Coal and Coke, American Society for Testing and Materials, Ottawa, Ontario, Canada, 22-32 Sept. 6791 ; R. R. Dutcher, editor
Congresses ، Coal
TN
799
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9
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S95
1976
AU
AU Dutcher, Russell R
CO American Society for Testing and Materials.Committee D-5 on Coal and Coke
TI
SE
SE ASTM special technical publication
Symposium on Field Description of Coal)1976 :Ottawa, Ont.(