John A. Duffy

Improving Mathematics Achievement of Elementary Students Through the Use of Electronic Hand Calculators.

Gary E. Thompson, John A. Duffy, 1980 .

Pressure-Time Characteristics of the 20MM M56A3 Ammunition.

John A. Duffy, David J. McNally, 1973 .

The electronic polarisability of oxygen in glass and the effect of composition

John A. Duffy, J. Duffy, 2002 .

Variable electronegativity of oxygen in binary oxides: Possible relevance to molten fluorides

John A. Duffy, 1977 .