000 00302nam a2200109Ia 45e0
008 181001s1973 xx 000 0 und d
100 _aSinha R.N.
245 0 _aGrain storage : part of system
260 _bA.V.I. Pub.
_c1973
300 _a481
942 _2ddc
_cBK
999 _c2399
_d2399