Kiedy węgiel był zielony.
Contributors: Jachowicz, Aleksander, joint author.
Edition: [Wyd. 1.]
Publisher: Wydawn. Geologiczne
Published: 1964
Place of publication: Warszawa
Language: pol
Number of pages: 191
Subjects: Coal.
Notes: Bibliographical references included in "Wstęp" (p. 7-[8])
At head of title: S. [i] A. Jachowiczowie.