Singh, C.S. (1962). A systematic account of the fresh-water diatoms of Uttar Pradesh--I. Proceedings of the National Academy of Science, India, Sect. B,, 32(3): 233-241
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Singh, C.S.
1962
A systematic account of the fresh-water diatoms of Uttar Pradesh--I.
Proceedings of the National Academy of Science, India, Sect. B,