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@article{156858,
  author       = {Nagel, W. A.},
  title        = {{G. P. Adams: On the Negative and Positive 
                   Phototropism of the Earthworm Allolobophora
                   foetida (Sav.) as determined by Light of Different
                   Intensities. Americ. Journ. of Physiology IX
                   (Contrib. zool. Labor. Harvard College). 1903}},
  journal      = {{Zeitschrift für Psychologie und Physiologie der 
                   Sinnesorgane}},
  year         = 1904,
  volume       = 36,
  pages        = {461-462},
  language     = {de},
  url          = {https://vlp-new.ur.de/records/lit32707}
}