The big book of real helicopters
Knight, Clayton
The big book of real helicopters - Canada: Grosset &Dunlap, 1955. - 30p.; Col. ill.; 28 cm
Engineering
629.133352 / KNI
The big book of real helicopters - Canada: Grosset &Dunlap, 1955. - 30p.; Col. ill.; 28 cm
Engineering
629.133352 / KNI