1. Economics of air transportation :
Author: organized by the Institution of Civil Engineers and held in London on 24-26 May 1983.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Aeronautics, Commercial-- Congresses.,Airports-- Congresses.
2. Reinforced and prestressed masonry :
Author: organized by the Institution of Civil Engineers and held in London on 5 May 1982
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Masonry-- Congresses
Classification :
TA670
.
R44
1982
