Trudy Tallinskogo Politekhnicheskogo Instituta. Trudy Ehkonomicheskogo Fakul'teta XL. Tallinskij Politekhnicheskij Institut, Tallin.
Journal, ISSN 0136-3549
No longer indexed.
Library shelfmarks: GOE: ZA 14591/ZA 21578; TIB: ZZ 468
