Orlowski, R. J. (1976). Ultrasonic echo reinforcement for the blind.
Chicago Style (17th ed.) CitationOrlowski, Rafal John. Ultrasonic Echo Reinforcement for the Blind. 1976.
MLA (9th ed.) CitationOrlowski, Rafal John. Ultrasonic Echo Reinforcement for the Blind. 1976.
Warning: These citations may not always be 100% accurate.