ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The photographic system we used consisted of 8x10 inch Eastman fine-grain positive film 7302, an electronic flash with a xenon bulb (E.G. & G., Inc., FX6A) and a pulse duration of 3 x 106 s, and a plastic tray. Lamp-to-film distance was 1.0 m. Immediately after collection, whole samples or ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/277050a0
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