The complete book of helicopters /
Ahnstrom, D. N.
The complete book of helicopters / D N Ahnstrom - 1st ed. - Cleveland : World Pub. Co. 1954 - 160 p. : ill. ; 29 cm.
Helicopters.
629.133352 / AHC 1954
The complete book of helicopters / D N Ahnstrom - 1st ed. - Cleveland : World Pub. Co. 1954 - 160 p. : ill. ; 29 cm.
Helicopters.
629.133352 / AHC 1954