Open University T241 Systems behaviour course : module 2. Air traffic control - a man-machine system [Books]. Open University. - Milton Keynes Open University Press 1982 - Pages: 92 Notes Registration No: 03735 (1al) Notes Registration No: 03735 (1al) New campus (c1) ISBN: 0335026141 0.00 Subjects--Personal Names: Systems engineering. Dewey Class. No.: TA/168 / OPE