TY  - BOOK
ED  - Union internationale des sciences géologiques.
TI  - Episodes: 1988 : international geoscience newsmagazine 
SN  - 0705-3797
PY  - 1978///-
CY  - Ottawa : 
PB  - International union of geological sciences, 
KW  - გეოლოგია
KW  - პერიოდიკა
ER  -