A Foundation in Digital Communication,Digital Communications: A Foundational Approach: Fischer, Robert F. H., Huber, Johannes B.: 9781009429665: Amazon.com: Books,Fundamentals of Digital Communication Systems | Communications, information theory and signal processing,Organizational Communication: Foundations for Collaboration: Alan Jay Zaremba: 9781792450327: Amazon.com: Books,ANSI Z136.2-2012 - Safe Use of Optical Fiber Communication Systems Utilizing Laser Diode and LED Sources