00443nam a2200169Ia 4500008004100000020001500041082002200056100002400078245004800102250000600150260003800156300000800194650002300202650001800225653001800243653001200261170901s1977    xx            000 0 und d  a0333901606  a581.2340913bR22M  aRaychaudhuri, S. P. 0aManual of Virus Diseases of Tropical Plants  a1  aDelhibThe Macmillan Compnyc1977  a299  aBotanical sciences  aPure Sciences  aPlant viruses  aTropics