Acta Geologica 22. (1979)
1-4. szám
Since No. 4 of Volume 21 of Acta Geologica included the papers submitted for the year 1978, Volume 22 bore the year number 1979.
Since No. 4 of Volume 21 of Acta Geologica included the papers submitted for the year 1978, Volume 22 bore the year number 1979.