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A Review of fossil and recent bears of the old world
With remarks on their phylogeny based upon their dentition
Erdwiss. FB -- ERDBRINK,Dirk Pieter: -- A Review of fossil and recent bears of the old -- world.With remarks on their phylogeny based upon -- their dentition.Vol.1.2. - Utrecht 1953. 8° -- Utrecht,naturwiss.Diss.