Kock wrote several books including Sound Waves and Light Waves (1965), Lasers and Holography (1981), Seeing Sound (1972), Radar, Sonar and Holography (1974), and The Creative Engineer: the art of inventing (1978).
He also authored Applications of Holography (Proceedings of United States-Japan Seminar on Information Processing by Holography, held in Washington, D.C., October 13-18, 1969) [REF].