Author: FERREL (William)

Description

Ferrel (William). Converging series expressing the ratio between the diameter and the oiroumferenoe of a airole. pp. 6. See WASHINGTON (COLtThBIA). Smithsonian InstItution. Smithsonian Contributions to Knowledge. Vol. XVIII. artiole 5. no 233. Washington, 1873.

Card ID: 302