00387nam a2200121Ia 4500008004100000082002600041100002100067245007200088260003000160300001000190600002200200650004300222140224s9999    xx            000 0 und d  a51:531.3:63(086.5) P3  aVohnout, Karel D  aMathematical modelling for system analysis in agricultural research  aAmsterdambElsevierc2003  a437p.  a Karel D. Vohnout  aSystem analysis,Mathematical modelling