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ISSN:1480-3313|36|11|1763-1765

NRC Research Press‎(2000)‎

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By Ashton K E   Lewry J F   Heaman L M   Hartlaub R P   Stauffer M R   Tran H T   in Canadian Journal of Earth Sciences

ISSN:1480-3313|42|4|685-706

NRC Research Press‎(2005)‎

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