ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Table 1 Details of exposure Exposure (min) Filter Emulsion 8 RG-2 103a-D 15 6,000-7,200A (HBW) 103a-D 30 RG-2 Illa-J We undertook a search for nebulosities underlying the BL Lac objects 4C14.60, OT081, OY091 and PKS2335 + 03 and obtained positive results in the last two cases. These four ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/258056a0
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