TY - BOOK ID - 146071066 TI - The composition of coalbed gas AU - Kim, Ann G. AU - United States. PY - 1973 PB - [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, DB - UniCat KW - Coalbed methane. KW - Mine gases KW - Analysis. UR - https://www.unicat.be/uniCat?func=search&query=sysid:146071066 AB - ER -