Langley, S. P. 1834-1906. The internal work of the wind / by S. P. Langley. - Washington : Smithsonian institution, 1893. - iii, 23 p. : illus., v diagr. ; 34 cm. - Smithsonian contributions to knowledge. [vol. 27, no. 2] Smithsonian institution publication 884. . LCCN: s 13000105 Subjects--Topical Terms: Winds.Aeronautics. LC Class. No.: Q11 / .S68 vol. 27