000 00404nam a2200145Ia 4500
008 130903s9999 xx 000 0 und d
082 _a63.001.5(026) N7
100 _a H.J.W.Mutsaers and others
245 _aA field guide for on-farm experimentation.
260 _aThe Hague
_bI.I.T.A.
_c1997
300 _axv,235p.
600 _aMutsaers, H.J.W.
650 _aAgricultural research
942 _cGRBK
999 _c83302
_d83302