00519nam a2200145Ia 4500008004100000082002100041100003900062245007200101260005700173300000900230490003500239600001800274600003400292650004700326130903s9999    xx            000 0 und d  a632.38:634.3  L7  a K.Balaraman (and) K.Ramakrishnan.  aStudies on strains and strain interaction in citrus tristeza virus.  aBangalorebUniversity of Agricultural Sciencesc1977  a62p.  aU.A.S. Technical Series; no.19  aBalaraman, K.  aRamakrishna, K., joint author  aCitrus fruit-Storage-Diseases and injuries