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Thomas T. Veblen, David H. Ashton, Sigfrido Rubulis, Diane C. Lorenz, Marco Cortes, Nothofagus Stand Development on In-Transit Moraines, Casa Pangue Glacier, Chile, Arctic and Alpine Research, Vol. 21, No. 2 (May, 1989), pp. 144-155
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Veblen et al. (1989) studied this question.
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