"Contributors to this issue". Bell System Technical Journal. 40: 349. January 1961. doi:10.1002/j.1538-7305.1961.tb03989.x. Retrieved 11 September 2022. Author biography for the article "Margin considerations for an Esaki diode-resistor or gate" in the same issue.
"Contributors to this issue". Bell System Technical Journal. 40: 349. January 1961. doi:10.1002/j.1538-7305.1961.tb03989.x. Retrieved 11 September 2022. Author biography for the article "Margin considerations for an Esaki diode-resistor or gate" in the same issue.