Bibliografia geologică a Republicii Socialiste România, al IV-lea supliment
By: de Suzana Antonovici.
Contributors: Antonovici, Suzana.; Institutul Geologic (Romania)
Publisher: Comitetul de Stat al Geologiei, Institutul Geologic
Published: 1969
Place of publication: Bucureşti
Language: rum
Number of pages: 394
Subjects: Geology -- Bibliography -- Romania.
Other titles: Bibliographie géologique de la République Socialiste de Roumanie, IV-e supplément.
Notes: Added title page in French: Bibliographie géologique de la République Socialiste de Roumanie, IV-e supplément.

Introduction also in French.