منابع مشابه
Haploids in Hordeum Vulgare.
suns. The extension of the Andromeda nebula beyond the photographic limits is presumably typical of what may be found for other such objects. Comparisons with the surface brightness of the galaxy are still hampered by uncertainties in the data for our own system. There may be no part of the galaxy which, seen from outside, would be as bright as the central portion of M 31. In the latter system ...
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ژورنال
عنوان ژورنال: Japanese Journal of Crop Science
سال: 1931
ISSN: 0011-1848,1349-0990
DOI: 10.1626/jcs.3.319