Golven
• Microwave amplification and oscillation by stimulated emission [Gordon Troup] [London Methuen & Co LTD] [1959]
• Microwave transmission [J.C. Slater] [Dover Publications, Inc., New York] [1959]
• The Theory of Sound Volume I [J.W.S. Rayleigh] [Dover Publications New York] [1945]
• The Theory of Sound volume II [J.W.S. Rayleigh] [Dover Publications New York] [1945]
• Ultra- and Extreme- Short Wave Reception. Principles , Operation , and Design [M.J.O. Strutt] [D. van Nostrand Company] [1947]
• Waves and oscillations [R.A. Waldron] [D. van Nostrand Company, Inc.] [1964]