Variation of Petrological and Geochemical Compositions in a Sequence of Humic Coals, Cannel Coals, and Oil Shales
Authors:
- W. PuettmannWPW. Puettmann
- Y. Z. SunYSY. Z. Sun
- W. KalkreuthWKW. Kalkreuth
- 1 November 1994
- journal article
- Published by American Chemical Society (ACS) in Energy & Fuels
- Vol. 8 (6) , 1460-1468