000 00293nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aSen S.P
245 0 _a"Biofertilizers, Potentials and problems"
260 _bAcademic press -New york
260 _c0
365 _b250.00
942 _cBK
999 _c152550
_d152550