A. J. Ruddell

The Economics of Autonomous Wind-Powered Hydrogen Productions Systems.

A. G. Dutton, H. Dienhart, W. Hug, 1997 .

Optimum digital phase-locked loops

A. J. Ruddell, A. M. Rosie, 1975 .

An ABC status report. [Advancing Blade Concept for XH-59A rotors]

A. J. Ruddell, A. W. Linden, 1981 .

Advancing Blade Concepts (ABC TM) High Speed Development

A. J. Ruddell, Sikorsky Aircraft Div., Utc J.A. Macrino, 1980 .