1. Carlson, H. W. "An investigation of some aspects of the sonic boom by means of wind-tunnel measurements of pressures about several bodies at a Mach number of 2.01," NASA TN D-16K1959).
2. Morris, O. A. "A wind-tunnel investigation at a Mach number of 2.01 of the sonic-boom characteristics of three wing-body combinations differing in wing longitudinal location," NASA TND-1384(1962).