Vol 31-40

Issue	Pages	Title	Authors

37
No records
3 4	285-354	Notes on some paleozoic lower vertebrates from Spitsbergen and North America.	Tor Örvig	View
31
No records
	7-36	Noen iaktagelser over isbreenes tilbakegang i Hornsund, V. Spitsbergen.	Anatol Heintz	View