University of Guyana Library

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Ecology of the subarctic regions: proceedings of the Helsinki symposium = Ecologie des regions subarctiques : actes du colloque d'Helsinki. - - Paris : Unesco, 1970 - 364 p. : ill., maps. - - (Ecology and conservation ; 1) .

Includes bibliographies

Subjects--Topical Terms:
Ecology - Congresses.

LC Class. No.: QH541 .5 / S8 E25