000 00309nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a630.185 DEN-S
100 _aDent, J. B.
245 0 _aSystems Simulation in Agriculture
260 _aLondon
_bApplied Science Pub.
_c1979
300 _a180p.
942 _2ddc
999 _c14058
_d14058