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024 _a50417
037 _cTextual
040 _aCSL
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041 _aeng
082 _aI220aj:241, K1;1
100 _aSingh R H
245 0 _aRole of blue green algae in nitrogen economy of Indian agriculture
260 _c1961
300 _ap.
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650 _a Algae
650 _aBotany
942 _hI220aj:241, K1;1
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999 _c84817
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