Ecology of the subarctic regions =
Subtitle: Écologie des régions subarctiques : proceedings of the Helsinki symposium.
Contributors: Finland.; Unesco.; International Geographical Union.
Series: Ecology and conservation -- 1
Publisher: Unesco
Published: 1970
Place of publication: Paris
Language: mul
Number of pages: 364
Notes: '... a symposium organised by the Government of Finland and Unesco in co-operation with the International Geographical Union... in Otaniemi, from 25 July to 3 August 1966'.

French and English text.