By Sinclair A. J.   Libby W. G.   in Canadian Journal of Earth Sciences

ISSN:1480-3313|5|4|955-957

NRC Research Press‎(1968)‎

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By Libby W. G.   De Laeter J. R.   Armstrong R. A.   in Australian Journal of Earth Sciences

ISSN:0812-0099|46|6|851-860

Taylor & Francis Ltd‎(1999)‎

Access to resources Favorite 2.2634313