Occurrence Motorboating (electronics)

^ problem common in days of radio: westcott, o. d. (august 1927). motorboating - is, , why (pdf). radio news. experimenter publishing co.: 149. retrieved july 7, 2013. 
^ bouck, zeh (march 1927). motorboating cured (pdf). radio engineering. new york: radio engineering publishing co. 7 (3): 614–615. retrieved january 9, 2015. 
^ duncan, ben (1996). high performance audio power amplifiers. newnes. p. 191. isbn 0080508049. 
^ self, douglas (2012). audio power amplifier design handbook, 4th ed. crc press. p. 7.42. isbn 1136123733. 
^ troubleshooting old transmitter
^ el34 pp motorboating questions