Phase shifts in the kalanchoe petal rhytm, caused by light pulses of different duration : a theoretical and experimental study
W. Engelmann, H.G. Karlsson, A. Johnsson
Bok Engelsk 1972 Wolfgang Engelmann
Utgitt | Lund : Department of Electrical Measurements, Lund Institute of Technology , 1972
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Omfang | 2, 27 bl.
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