00691cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001800092040003200110042001200142050002000154060002300174082001000197100003100207245003800238250002500276260005000301300002200351440004600373650003000419agr50000452 DLC20260227111013.0810815s1950    xx            000 0 eng    aagr50000452   a(OCoLC)852000  aDLCcDNLMdMBNUdOCoLCdDLC  apremarc00aSB736b.B3 195000aSB 736bB354p 1950  a632.31 aBawden, Frederick Charles.10aPlant viruses and virus diseases.  a3d entirely rev. ed.  aWaltham, Mass.bChronica Botanica Co.,c1950.  axiv, 335 p.bill. 0aNew series of plant science books,vv. 23 0aVirus diseases of plants.