000 00260nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aR.S. DIXIT
245 0 _aCROPPING SYSTEM RESEARCH
260 _bNil
260 _c1995
365 _b60.00
942 _cBK
999 _c162537
_d162537