000 00277nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a539.2
_bRAO
100 _a BHATNAGAR (R.K.)
245 0 _aEarthworm Vermiculture and Vermicomposing
260 _bPHI
_aNew Delhi
942 _cBK
999 _c2868
_d2868