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formations and climate. Vegetatio 60: 103-111.
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Swiss Federal Institute of Forestry Research, Reports 270: 71-77.
Sowell, J.B., D.L. Koutnik, and A.J. Lansing. 1982. Cuticular transpiration
of whitebark pine (Pinus albicaulis) within a Sierra Nevadan
timberline ecotone. Arctic and Alpine Research 14: 97-103.