John O. Duffy

PPDR HANDBOOK: USE OF PILOT PERFORMANCE DESCRIPTION RECORD IN FLIGHT TRAINING QUALITY CONTROL,

Wayne D. Smith, George D. Greer, Jimmy L. Hatfield, 1963 .

A SYSTEM OF FLIGHT TRAINING QUALITY CONTROL AND ITS APPLICATION TO HELICOPTER TRAINING

John O. Duffy, Carroll M. Colgan, 1963 .

The Identification of Objective Relationships between Small Arms Fire Characteristics and Effectiveness of Suppressive Fire

John O. Duffy, Stephen A. Kushnick, 1972 .