000 00397nam a2200157Ia 4500
008 180424s9999 xx 000 0 und d
084 _a631.81 V1
100 _a"Vyas, S C"
245 0 _aBiofertilizers and Organic Farming
250 _a\\199800ENGGPSX
260 _aEducational Publishers
260 _b1998
260 _cNew Delhi
500 _aincludes index and biblioraphy
942 _cBK
999 _c64167
_d64167