000 00305nam a2200121Ia 4500
008 170101s1988 xx 000 0 und d
082 _a631.46 SEN
100 _aSen, S.P ed.
245 0 _aBiofertilizers : potentialities & problems
260 _aKolkata
_bNaya
_c1988
300 _aP.[?]
942 _2ddc
_cBK
999 _c51681
_d51681