00342nam a2200133Ia 4500008004100000082001700041100002000058245003400078260002000112300001000132490002800142600001900170650001900189140224s9999    xx            000 0 und d  a632.97:34 M4  aBombin, Luis M.  aPlant protection legislation/  aRomebFAOc1984  a165p.  aLegislative study no.28  aM. Luis Bombin  aPlant diseases