Annual Review of Ecology and Systematics · 1975 · 464 citations · 57 references
57
The Role of Time and Energy in Food Preference
John M. Emlen · The American Naturalist · 1966 · 1.5K citations
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Daniel H. Janzen · Science · 1971 · 769 citations
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Áskell Löve, Verne Grant, Karen A. Grant · Taxon · 1966 · 602 citations
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M. S. PERCIVAL · New Phytologist · 1961 · 485 citations · Full text