Bulgaria

Bulgaria Author not listed 1991 Chemistry of Natural Products-11 (Vol. 51 Issue 4) R. Vlahov 1979 Information Bulgaria: a short ancyclopaedia of the people's... Bulgarian Academy of Science 1985 La population de la Bulgarie Naumov, Nikola Todorov 1974 La population de la France Author not listed 1974 La population de la Techecoslovaquie Author not listed 1974 The Bulgarian Army in Yugoslavia 1941-1945 Mitrovski, Boro 1971