000 00329nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a631 LOO-C
100 _aLoomis,R.S.
245 0 _aCrop Ecology Productivity And Management In Agricultural Systems.
260 _aNew York.
_bCambridge.
_c1992
300 _a538p
942 _2ddc
999 _c24819
_d24819