Acta microbiologica,virologica et immunologica
Card's contents:TOSKOV Al. /red./ 525,172 Acta microbiologica,virologica et immunolo- gica.Al. Toskov, otg. red. Sofija 1977. Izdat. na B" lgarakata Akademija na Naukite 8 Kn. 6.s.83,nlb.1.,il.,rez.,aum.