Kvaternerŭt.
Subtitle: [Nauch.-popul. ocherk.].
Publisher: Nauka i izkustvo (I͡A︡mbol, pech. G. Dimitrov)
Published: 1973
Place of publication: Sofii͡a︡
Language: rus
Number of pages: 145
Subjects: Geology, Stratigraphic -- Quaternary.
Notes: Bibliography: p. 142-143.
At head of title: Ivan Vapt͡s︡arov.