Michael E. Ash

Astronomical constants and planetary ephemerides deduced from radar and optical observations

Irwin I. Shapiro, I. Shapiro, M. Ash, 1967 .

Equipping GPS Satellites with Accelerometers and Satellite-to-Satellite Observables

M. Ash, Michael E. Ash, 2002 .

FOURTH TEST OF GENERAL RELATIVITY: PRELIMINARY RESULTS.

R. P. Ingalls, Gordon H. Pettengill, G. Pettengill, 1968 .

GENERATION OF PLANETARY EPHEMERIDES ON AN ELECTRONIC COMPUTER

M. Ash, Michael E. Ash, 1965 .

Fourth Test of General Relativity: New Radar Result

Irwin I. Shapiro, Raymond F. Jurgens, G. H. Pettengill, 1971 .