TY  - BOOK
ED  - International Geological Congress (23rd : 1968 : Prague, Czechoslovakia)
ED  - Petranek, Jan
TI  - Report of the twenty-third session, Czechoslovakia, 1968: abstracts
PY  - 1968///
CY  - Prague
PB  - Academia
KW  - Geology
KW  - Congresses
KW  - Abstracts
N1  - English, French, or German; At top of t.p.: International Geological Congress
ER  -