-
By: Mehra, P N - Bir, S.S. (Sarmukh Singh),
Type: Article
In: American fern journal
Volume: 50
Series:
Issue:
Date: 1960
Page Range: 276--295
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Bir, S.S. (Sarmukh Singh),
Type: Article
In: American fern journal
Volume: 52
Series:
Issue:
Date: 1962
Page Range: 36--42
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Bir, S.S. (Sarmukh Singh), - Trikha, Chander K
Type: Article
In: American fern journal
Volume: 58
Series:
Issue:
Date: 1968
Page Range: 119--125
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Bir, S.S. (Sarmukh Singh),
Type: Article
In: American fern journal
Volume: 60
Series:
Issue:
Date: 1970
Page Range: 98--101
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Bir, S.S. (Sarmukh Singh), - Vasudeva, Mohan
Type: Article
In: The journal of the Bombay Natural History Society
Volume: 68
Series:
Issue: 1
Date: 1971
Page Range: 169--195
Publication Info: Bombay Bombay Natural History Society 1886-
Subjects:
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By: Bir, S.S. (Sarmukh Singh),
Type: Article
In: American fern journal
Volume: 62
Series:
Issue:
Date: 1972
Page Range: 44--46
Publication Info: [Washington, etc.] American Fern Society
Subjects:
-
By: Bir, S.S. (Sarmukh Singh),
Type: Article
In: American fern journal
Volume: 62
Series:
Issue:
Date: 1972
Page Range: 27--29
Publication Info: [Washington, etc.] American Fern Society
Subjects:
-
By: Bir, S.S. (Sarmukh Singh), - Trikha, Chander K
Type: Article
In: American fern journal
Volume: 64
Series:
Issue:
Date: 1974
Page Range: 49--63
Publication Info: [Washington, etc.] American Fern Society
Subjects:
-
By: Bir, S.S. (Sarmukh Singh), - Trikha, Chander K
Type: Article
In: American fern journal
Volume: 66
Series:
Issue:
Date: 1976
Page Range: 109--110
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Bir, S.S. (Sarmukh Singh),
Type: Article
In: American fern journal
Volume: 68
Series:
Issue:
Date: 1978
Page Range: 55--56
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Bir, S.S. (Sarmukh Singh), - Vasudeva, S. M.
Type: Article
In: The journal of the Bombay Natural History Society
Volume: 76
Series:
Issue:
Date: 1979
Page Range: 556--558
Publication Info: Bombay Bombay Natural History Society 1886-
Subjects:
-
By: Lellinger, David B. - Bir, S.S. (Sarmukh Singh),
Type: Article
In: American fern journal
Volume: 72
Series:
Issue:
Date: 1982
Page Range: 52--52
Publication Info: [Washington, etc.] American Fern Society
Subjects:
-
By: Bir, S.S. (Sarmukh Singh), - Singh, C
Type: Article
In: The journal of the Bombay Natural History Society
Volume: 86
Series:
Issue:
Date: 1989
Page Range: 37--41
Publication Info: Bombay Bombay Natural History Society 1886-
Subjects:
-
By: Bir, S.S. (Sarmukh Singh), - Sharma, M - Singh, C P
Type: Article
In: The journal of the Bombay Natural History Society
Volume: 89
Series:
Issue:
Date: 1992
Page Range: 143--146
Publication Info: Bombay Bombay Natural History Society 1886-
Subjects: