P. Bondesen

Principles of Animal Ecology

Karl P. Schmidt, A. Emerson, K. Schmidt, 1950 .

Hydrobia (Potamopyrgus) Jenkinsi Smith in Denmark Illustrated by Its Ecology

P. Bondesen, E. Kaiser, 1949 .

Principles Of Animal Ecology

A. Emerson, K. Schmidt, W. C. Allee, 1949 .

Egg capsules of river limpet snails; material for experimental biology.

P. Bondesen, 1950, Science.