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3. Mode Stability of Radiation-Coupled Interinjection-Locked Oscillators for Integrated Phased Arrays;Stephan;IEEE Transactions on Microwave Theory and Techniques,May 1988
4. Quasi-Optical Power-Combining Using Mutually Synchronized Oscillator Arrays;York;IEEE Transactions on Microwave Theory and Techniques,June 1991
5. Mode-Locked Oscillator Arrays;York;IEEE Microwave Guided Wave Letters,August 1991