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Journal of Biomechanics|May 1, 1996
Stress and strain in the flight muscles as constraints on the evolution of flying animalsC J PennycuickJournal of Theoretical Biology|August 21, 2003
The concept of energy height in animal locomotion: separating mechanics from physiologyC J PennycuickThe Journal of Experimental Biology|October 19, 2001
Speeds and wingbeat frequencies of migrating birds compared with calculated benchmarksC J PennycuickThe Journal of Experimental Biology|June 1, 1976
Elastic energy storage in primary feather shaftsC J Pennycuick, A LockJournal of Theoretical Biology|February 13, 2001
Uncertainty calculations for theoretical flight power curvesG R Spedding, C J PennycuickOecologia|March 18, 2017
Units of measurement for fractal extent, applied to the coastal distribution of bald eagle nests in the Aleutian Islands, AlaskaC J Pennycuick, N C KlineThe Journal of Experimental Biology|May 11, 2000
Horizontal flight of a swallow (Hirundo rustica) observed in a wind tunnel, with a new method for directly measuring mechanical powerC J Pennycuick, A Hedenström, M RosénJournal of the Royal Society, Interface|June 28, 2013
Air speeds of migrating birds observed by ornithodolite and compared with predictions from flight theoryC J Pennycuick, Susanne Åkesson, Anders HedenströmPageof 1