Quantum Cryptography over Underground Optical Fibers. - Richard J. Hughes; Gabriel G. Luther; George L. Morgan; Charles G. Peterson; Charles M. Simmons (CRYPTO, 1996)

Practical Free-Space Quantum Cryptography. - Richard J. Hughes; William T. Buttler; Paul G. Kwiat; Steven K. Lamoreaux; Gabriel G. Luther; George L. Morgan; Jane E. Nordholt; Charles G. Peterson; Charles M. Simmons (QCQC, 1998)