TY - GEN TY - GEN T1 - Deadly cultures : biological weapons since 1945 A2 - Wheelis, Mark A2 - Rózsa, Lajos A2 - Dando, Malcolm LA - eng PP - Cambridge, Mass. PB - Harvard University Press YR - 2006 UL - https://kansalliskirjasto.finna.fi/Record/vaari.1581297 SN - 0674016998 sidottu KW - Biological weapons. ER -