00305nam a2200133Ia 45000030006000000080041000060400015000471000018000622450034000802500010001142600018001245460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMandhar, C.L.  aIntroduction to plant viruses  aFirst  bS.Chandc1978  aEnglish20220125170351.0