Report ; volume of abstracts. /
General editor, Theodor Sorgenfrei.
APA Citation
International Geological Congress (21st : 1960 : Norden, e., Sorgenfrei, T. (1960). Report ; volume of abstracts.. Copenhagen: Berlingske Bogtrykkeri.
MLA Citation
International Geological Congress (21st : 1960 : Norden, etc.), and Theodor Sorgenfrei. Report ; Volume of Abstracts.. Copenhagen: Berlingske Bogtrykkeri, 1960.
Warning: These citations may not always be complete (especially for serials).