The Climoactometer :
a device designed to measure the effects of various meteorological factors upon the activity and general physiology of animals /
by Richard Gerstell.

APA Citation

Gerstell, R., Pennsylvania Game Commission. (1938). The Climoactometer: a device designed to measure the effects of various meteorological factors upon the activity and general physiology of animals. Harrisburg, Pa.: Pennsylvania Game Commission.

MLA Citation

Gerstell, Richard, and Pennsylvania Game Commission. The Climoactometer: a Device Designed to Measure the Effects of Various Meteorological Factors Upon the Activity And General Physiology of Animals. Harrisburg, Pa.: Pennsylvania Game Commission, 1938.