000 00308nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aCHRISTIDIS. B. G ; HARRISON. G. J
245 0 _aCotton growing problems
260 _cMc Graw Hill
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
_01
999 _c33539
_d33539