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Nectar biology and nectar feeders of common milkweed Asclepias syriaca L. Bulletin of the Torrey Botanical Club. 110:324-334.. 1983.
Photosynthetic cost of nectar production. Proceedings of the Rochester Academy of Science. 14:89.. 1983.
Nectar biology and pollinator attraction in the north temperate climate. The Biology of Social Insects. :19-23.. 1982.
Flower nectar and tree sap as energetic foods for pollinators. Proceedings of the Rochester Academy of Science. 13:138.. 1980.
Sapsucker trees as a factor in the distribution of hummingbirds in a northern climate. Proceedings of the Rochester Academy of Science. 13:96.. 1980.
Aspects of an interrupted incubation by the Ruby-throated Hummingbird. Jack Pine Warbler. 55:59-62.. 1977.
Energetics of occupied hummingbird nests. Perspectives of Biophysical Ecology. :417-430.. 1975.
Microclimate selection by nesting hummingbirds. American Zoologist. 13:413.. 1973.