000 00315nam a2200121Ia 4500
008 170101s1986 xx 000 0 und d
082 _a631.5 FRA
100 _aFrancis Charles A.
245 0 _aMultiple Cropping Systems
260 _aNew York
_bThe Mac Millan Pubg.Co.
_c1986
300 _a383 p.
942 _2ddc
_cB
999 _c979916
_d979916