1. Microwave delay characteristics of Cassegrainian antennas;Cha;IEEE Trans. Antennas Propag.,1978
2. Levy , R. X-band uplink D-level review on antenna mechanical subsystem, internal document Pasadena, Calif. 1985
3. Otoshi , T. L. Young An experimental investigation of the changes of VLBI time delays due to antenna structural deformations 8 17 Pasadena, Calif. 1982