00494     2200169   4500001002100000005001500021035002000036008004100056245007800097260004200175300002700217084001600244082001200260650002400272990001400296990001400310INLIS00000000000831520260615110240  a0010-0317008313260615                           0        aPlant virus epidemiology : The spread and control of insect-borne viruses  aLondon :bBlackwell Scientific,c1983  avii, 377 hlm. ;c26 cm  a581.234 Pla  a581.234  aPLANT, EPIDEMIOLOGY  a320391112  a320491112