ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Although a large number of materials would be suitable as the attenuating medium, initial experimentation has been confined to exfoliated mica, that is, vermiculite. The advantages of this material are its almost insignificant cost and its chemical inertness. Experience has indicated that the use ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/204673a0
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