Analysis of Synchronous Digital-Modulation Schemes for Satellite Communication. - G. S. Takhar; Someshwar C. Gupta (IEEE Trans. Commun., 1975)

New Code Acquisition Techniques in Spread-Spectrum Communication. - Ahmed K. Elhakeem; G. S. Takhar; Someshwar C. Gupta (IEEE Trans. Commun., 1980)