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“The bioclimates of the Colorado Front Range”
5: 251-262.
1985.
1984.
“Climate calendars”
38: 399-405.
1988.
1986.
1984.
“Composition, form, and distribution of the forest-alpine tundra ecotone, Indian Peaks, Colorado, USA”
39: 286-295.
1985.
1988.
1985.
“Collembola from the Colorado Front Range, U.S.A.”
16: 193-208.
1984.
“Dolichoderus taschenbergi Mayr (Hymenoptera: Formicidae) from an early Holocene fossil insect assemblage in the Colorado Front Range.”
92(2-3): 303-307.
1985.
“Hierarchical conceptual model of the alpine geosystem”
18(2): 133-146.
1986.
“Abortion of floral buds in Acomastylis rossii plants exposed to artificial acid mists in alpine tundra”
76: 878-883.
1989.
“Effects of artificial acid mist on growth and reproduction of two alpine plant species in the field”
73(4): 524-528.
1986.
“Fertilizing effects of artificial sulfuric-acid mists on Bistorta vivipara plants in alpine tundra”
21(2): 169-174.
1989.
1987.
1988.
“Growth of pikas (Ochotona princeps) in Colorado”
66: 367-371.
1985.
1989.
1990.
1989.