Astronomicheski osnovi na pŭrvobŭlgarskoto letobroene
By: Boris Rogev
Edition: 2. dop. izd.
Publisher: Simelpres
Published: 2021
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 245
ISBN-13: 9786191831036
Notes: In Bulgarian; Cyrillic alphabet.