TY - BOOK AU - Georgiev,Vladimir Ivanov ED - Bulgarska akademiia na naukite. TI - Introduction to the history of the Indo-European languages PY - 1981/// CY - Sofia PB - Publ. House of the Bulgarian Academy of Sciences KW - Indo-European languages KW - History KW - Classification N1 - At head of title: Bulgarian Academy of Sciences; Includes indexes; Bibliogr.: p. 365-399 ER -