The origins of carrier multiplexing: Major George Owen Squier and AT&T. - Mischa Schwartz; Charles Batchelor (IEEE Commun. Mag., 2008)

Guitar Pickups I: Analysis of the Effect of Winding and Wire Gauge on Single Coil Electric Guitar Pickups. - Charles Batchelor; Jack Gooding; William Marriott; Nikola Chalashkanov; Nick Tucker; Rebecca Margetts (CoRR, 2024)