Open AccessStudy of the interrelationships among chemical and petrographic variables of United States coals
Author(s) -
Courtney Waddell,
A. Davis,
W. Spackman,
John C. Griffiths
Publication year - 1978
Language(s) - English
Resource type - Reports
DOI - 10.2172/6681482
Subject(s) - petrography , mineralogy , environmental science , chemistry