ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] UP to the present, two methods have been chiefly used for observing in the laboratory the ‘cometary emission bands’ at 4050 A. assigned to CH2. Herzberg1, who was the first to excite these bands, used an interrupted discharge through methane, and Herman2 ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/164713a0
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