00470nam a2200133Ia 4500008004100000082002500041100002600066245007900092260003200171300001000203600002400213600002400237650007500261140113s9999    xx            000 0 und d  a632.95:575(082.2) L7  a" Hewitt, William B."  aPlant health and quarantine in international transfer of genetic resources  b"Florida : CRC press, 1977"  a346p.  a" Chiarappa, Luigi"  a" Chiarappa, Luigi"  aAgricultural pests ; Plant disease ; Plant quarantine ; Seed pathology