000			00483nam a2200145Ia 4500
008			130225s9999 xx 000 0 und d
020			_a9024728665
080			_a631.81(063) _bS986P
245			_aProceedings of the symposium on research into agro-technical methods aiming at i
260			_aThe Hague _bMartinus Nijhoff / Dr. W. Junk for the United Nations _c1983
300			_avi, 352 p. : ill. ;
440			_aDevelopments in plant and soi
901			_a156997
942			_cB _2udc
999			_c11592 _d11592