000 | 00410nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 151007s9999 xx 000 0 und d | ||
080 |
_a581.232:631.46(540) _bSIN-R |
||
100 | _aSingh, R. N. | ||
245 | _aRole of blue-green algae in nitrogen economy of Indian agriculture | ||
260 |
_c1961 _aNew Delhi _bIndian Council of Agricultural Research |
||
300 | _a175p. | ||
650 | _aEconomy | ||
942 |
_cICAR _2udc |
||
999 |
_c17145 _d17145 |