International Telecommunication Union. ([1978]). Feasibility studies for the Asian telecommunication network : technical report - survey 2. [S.l.] :: International Telecommunication Union,.
International Telecommunication Union. Feasibility studies for the Asian telecommunication network : technical report - survey 2. [S.l.] :: International Telecommunication Union,, [1978]
International Telecommunication Union. Feasibility studies for the Asian telecommunication network : technical report - survey 2. [S.l.] :: International Telecommunication Union,, [1978].