000 00276nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aO.P. GUPTA
245 0 _aWEED MANAGEMENT: PRINCIPLES AND PRACTICES
260 _bNil
260 _c2005
365 _b0.00
942 _cBK
999 _c165308
_d165308