Airmobile : the Helicopter War in Vietnam Defence Helicopter World : volume 2 number 1 Defence Helicopter World : volume 2 number 2 Helicopters Soviet helicopters : Design, Development and Tactics helicopters Helicopter : training manual and pilot guide Basic Helicopter Handbook helicopter and how it flies Lock on no 13 Aircraft Photo File, AH-64A Apache Attack Helicopter Jane's pocket book 20; Helicopters Grasshoppers 20 years; Royal Netherlands Airforce Helicopter Display Team 1993
