Hume, H. B. High pressure gas breakthrough apparatus and a procedure for determining the gas breakthrough pressure of compacted clay. - Chalk River, Ontario : AECL, 1997. - 18 p. : il., tabla, diagr. Bibliografía: p.12-13 ISBN: 0660171155 ISSN: 00670367 Standard No.: AECL-11827 COG97303I