Coba jelasin Lihat pula dari Hedy Lamarr dong

Robert A. Scholtz, "The Origins of Spread-Spectrum Communications," IEEE Transactions on Communications, Vol. 30, No. 5, May 1982, p. 822.

Robert Price, "Further Notes and Anecdotes on Spread-Spectrum Origins," IEEE Transactions on Communications, Vol. 31, No. 1, January 1983, p. 85.