000 00284nam a2200109Ia 4500
008 170101s1990 xx 000 0 und d
082 _a631.3 GHO
100 _aGhosh, R.K.
245 0 _aPractical agricultural engineering
260 _aKolkatta
_bNaya Prakash
_c1990
942 _2ddc
_cRS
999 _c381481
_d381481