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Archival description
Multi-channel radio telemetry system used to obtain heart rates
Multi-channel radio telemetry system used to obtain heart rates
Role of extreme changes in photoperiod in the annual cycles of birds and insects
Role of extreme changes in photoperiod in the annual cycles of birds and insects
Polar bears and their present status
Polar bears and their present status
On the species composition and sdistribution of sculpins of the reinh. In the northern seas
On the species composition and sdistribution of sculpins of the reinh. In the northern seas
Holothurians of the genera Elpidia and Kolga from the Canadian Basin of the Arctic Ocean
Holothurians of the genera Elpidia and Kolga from the Canadian Basin of the Arctic Ocean
Die marine Tierwelt des arktischen und antarkitschen Gebietes in ihren gegenseitigen Beziehungen
Die marine Tierwelt des arktischen und antarkitschen Gebietes in ihren gegenseitigen Beziehungen
La Distribution bipolaire des organismes marins,
La Distribution bipolaire des organismes marins,
Resistance of frozen soils to triaxial compressions
Resistance of frozen soils to triaxial compressions
The value of botany as indicator of unglaciated areas
The value of botany as indicator of unglaciated areas
Permafrost
Permafrost