00522nam a2200133Ia 4500008004100000082004600041100006500087245007200152260002400224300002100248600001600269600003500285650006800320140224s9999    xx            000 0 und d  a632.9(100) 1983.11.20/.25 (082.2) M3.1-.3  aInternational congress of plant protection for Human Welfare  aTenth International congress of plant protection, 1983; proceedings  aCroydonbICPPc1983  av.1,xviii,1228p.  a-Congresses  aInternational Plant Protection  aPlant protection,Crop protection,Plant protection-Human Welfare