Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
179 (1957), S. 1255-1256
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] For the observations that follow, the tortoises were kept in water with continuous overhead illumination either in tanks painted white (afterwards referred to as white background) or in tanks painted black (afterwards referred to as black background). With a black background, light impinges only on ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/1791255a0
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