An edition of The composition of expired air and its effects upon animal life (1895)

The composition of expired air and its effects upon animal life.

Abstract of a report on the results of an investigation made for the Smithsonian Institution under the provisions of the Hodgkins fund.

By John S. Billings,S. Weir (Silas Weir) 1829- Mitchell,D. H. (David Hendricks) 1860 Bergey,Silas Weir Mitchell,David Hendricks Bergey