00301 a2200109 4500020001500000082001300015100001700028245003900045260005100084300002000135650003600155 a8120404408 a632bSIN aSingh, R.S.  aPlant pathogens bthe prokaryotes  aNew DelhibOxford & IBH Publishingc1989g1989 a[v],216p.c24cm aPlant injuries, diseases, pests