I. I. Shapiro

Project Vanguard Magnetic-Field Instrumentation and Measurements

J. Cain, J. Heppner, J. D. Storarik, 1960 .

Vanguard 3 magnetic-field observations

J. D. Stolarik, J. Cain, J. Heppner, 1962 .

Authors' reply to the preceding discussion [on “The vector field proton magnetometer for IGY satellite ground stations”

J. D. Stolarik, J. Heppner, I. I. Shapiro, 1960 .

A note on whistlers observed above the ionosphere

J. D. Stolarik, J. Cain, J. Heppner, 1961 .