00387nam a2200133Ia 4500008004100000082001800041100001500059245006000074260005100134300000800185650002300193650001800216653001900234170901s1973    xx            000 0 und d  a581.234bN70I  aNoordam,D. 0aIdentification of Plant VirusesbMethods and Experiment  aNew DelhibOxford and IBH Publishing Co.c1973  a207  aBotanical sciences  aPure Sciences  aPlant virology