Sheppard, Marsha I. Methane productions rates from natural organics of glacial lake clay and granitic groundwater. - Chalk River, Ontario : AECL, 1996. - 66 p. : il. Bibliografía: p.23-27 ISBN: 0660164582 ISSN: 00670367 Standard No.: AECL-11510 COG-95578