1. Aerospace proceedings, 1966 )of( the Royal Aeronautical Society Centenary Congress in conjunction with the Fifth Congress of the International Council of the Aeronautical Sciences, London, 12-16 September 1966
Author:
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Aeronautics-- Congresses,، Astronautics-- Congresses
Classification :
TL
505
.
R6
2. The world's helicopters
Author: Bradbrooke, Joan
Library: Library of College of Science University of Tehran (Tehran)
Subject: ، Helicopters
Classification :
TL
716
.
B66
