000 00613nam a2200253Ia 4500
008 161121s9999 xx 000 0 und d
020 _a0-793-1881-1
041 _aENGLISH
082 _aJ N3
100 _aFRITS PENNING DE VRIES; PAUL TENG; KLAAS METSELAAR
245 0 _aSystems approaches for agriculture DEVELOPMENT
260 _c1993
260 _cKluwer academic Publs.
300 _a1-542
300 _b0
300 _fPaper
365 _b0
365 _dRuppes
366 _ePURCHASE
563 _aPaper Back
590 _aUG
650 _aSystems Research
942 _cBK
999 _c67413
_d67413