E. Onat

A method to estimate weight and dimensions of aircraft gas turbine engines. Volume 1: Method of analysis

R. J. Pera, E. Onat, G. W. Klees, 1977 .

A pre-design code for predicting engine acquisition costs

E. Onat, J. Cyrus, 1980 .

A method to estimate weight and dimensions of large and small gas turbine engines

E. Onat, G. W. Klees, G. Klees, 1979 .

A method to estimate weight and dimensions of aircraft gas turbine engines. Volume 3: Programmer's manual

R. J. Pera, E. Onat, G. W. Klees, 1977 .