Zalivnite gori po Dunavskoto porechie na Bŭlgarii͡a
By: T͡Sanko Ĭ. T͡Sanov.
Publisher: Izd-vo na Bŭlgarskata akademii͡a na naukite
Published: 1992
Place of publication: Sofii͡a
Language: bul
Number of pages: 155
Notes: Includes bibliographical references (p. 151-153).