TY  - BOOK
AU  - F. Fenner
AU  -  D.A. Henderson I. Arita Z. Jezek  I.D. Ladnyi
TI  - Smallpox and its Eradication
SN  - 91-4-156110-6
U1  - 616.912 
PY  - 1988///
CY  - Geneva
PB  - World Health Organization
N1  - F. Fenner; D.A. Henderson; I. Arita; Z. Jezek & I.D. Ladnyi: Smallpox and its Eradication.  Geneva.  World Health Organization, 1988. 91-4-156110-6--(616.912FEN)
ER  -