TY - BOOK AU - Wanless,R.K. AU - Stevens,R.D. AU - Lachance,G.R. TI - Age determinations and geological studies: K-Ar isotopic ages, report 11 T2 - Geological Survey of Canada paper AV - QE185QE508 .A42 no. 73-2 PY - 1973///] CY - [Ottawa] PB - Dept. of Energy, Mines and Resources KW - Potassium-argon dating KW - Geology KW - Canada N1 - Summary in French; Includes bibliographies ER -