Manbirds :
Wills, Maralys.
Manbirds : hang gliders & hang gliding / Maralys Wills. - Englewood Cliffs : Prentice-Hall, 1981 - xiv, 242 p. : xiv, 242 p. ; ill. - 25 cm. ; The Motorless flight series .
"Book II: The education of a hang glider pilot, by Chris A. Will.
Bibliography: p. 237-238. Includes index.
Open access.
0135511011
8129253
Hang gliding.
Hang gliding--History.
Manbirds : hang gliders & hang gliding / Maralys Wills. - Englewood Cliffs : Prentice-Hall, 1981 - xiv, 242 p. : xiv, 242 p. ; ill. - 25 cm. ; The Motorless flight series .
"Book II: The education of a hang glider pilot, by Chris A. Will.
Bibliography: p. 237-238. Includes index.
Open access.
0135511011
8129253
Hang gliding.
Hang gliding--History.