SLAC National Accelerator Laboratory: Accelerator: Waveguides (SLAC VVC). [w:] SLAC Virtual Visitor Center [on-line]. [dostęp 2011-05-20]. Cytat: A waveguide is an evacuated rectangular copper pipe. It carries electromagnetic waves from one place to another without significant loss in intensity (ang.).
Wayne Richardson: Handbook of copper compounds and applications. New York: Marcel Dekker, 1997. ISBN 978-0-585-36449-0. OCLC47009854. (ang.). Brak numerów stron w książce