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2Result(s)for '"Helfer T.T."'
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By Helfer T.T. in Astrophysics and Space Science
ISSN:0004-640X|248|1-2|51-57
Springer Publishing Company (1997)
Access to resources Favorite 20.726759
By Helfer T.T. in Astrophysics and Space Science
ISSN:0004-640X|276|2-4|1131-1139
Springer Publishing Company (2001)
Access to resources Favorite 20.726759