R. C. Haefeli

Technology requirements for advanced earth-orbital transportation systems, dual-mode propulsion

R. C. Haefeli, E. G. Littler, J. B. Hurley, 1977 .

Sonic boom propagation from maneuvering aircraft.

R. C. Haefeli, 1969 .

The ARAP sonic boom computer program

R. C. Haefeli, W. D. Hayes, 1968 .

Technology requirements for advanced earth-orbital transportation systems: Summary report. [single stage to orbit vehicles]

R. C. Haefeli, E. G. Littler, J. B. Hurley, 1977 .

Sonic boom propagation in stratified atmosphere

R. C. Haefeli, H. E. Kulsrud, W. D. Hayes, 1969 .