Theoretical investigation of ducted propeller aerodynamics /

"Contract no. DA44-177-TC-606."

Theoretical investigation of optimum methods for preparing controlled mosaics from 9 x 18-inch format, long focal length photography.

"Contract no. DA-44-009 Eng-3364, Department of the Army Project no. 8-35-03-216.j"

Theoretical investigation of the motion of ground waters /

Mode of access: Internet.

Experimental and theoretical investigation of cavitation in water /

Mode of access: Internet.