ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] These requirements have been satisfactorily fulfilled by a number of double-beam instruments described in the literature. However, it is true to say that, in general, the systems involved are either of special design in costly commercial apparatus, or else have entailed very expensive optical and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/172260a0
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