Lenschow, D. H. (1971). Vanes for sensing incidence angles of the air from an aircraft. Journal Of Applied Meteorology 1989-2005 (After 2005 - Journal Of Applied Meteorology And Climatology), 10, 1339-1343. doi:10.1175/1520-0450(1971)010<1339:VFSIAO>2.0.CO;2