000 00290nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aSINGH(R.N)
245 0 _aRole of blue green algae in nitrogen eco
260 _cNIL
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c24009
_d24009