ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Simultaneous observations at two frequencies provide spectral shape information, whereas a single frequency gives only attenuation magnitude, the variation of which is more difficult to interpret. Although more spectral information could be obtained by scanning over a range of frequencies, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/243397a0
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