History | Page 112

40. Wilson, Jim, 2000, page 71 41. Wilson, Jim, 2000, page 68 42. Neugebauer, Franz J. PhD., 1946, Technical Report: "Effect Of Power-Plant Weight On Economy Of Flight (Project No. NFE-64), Headquarters Air Material Command Wright Field, Dayton, Ohio 43. Neugebauer, Franz J. PhD., 1946, page 1 113