TY  - BOOK
AU  - Sorgenfrei,Theodor(ed)
TI  - Contributions to discussions
T2  - Congreso Geologico Internacional,21º.Copenhagen,1960
PY  - 1960///
CY  - Copenhagen - DINA
PB  - Berlingske Bogtrykkeri
KW  - Congresos
KW  - Geologia
ER  -