Falkenhausen, Lothar Von. Suspended Music: Chime Bells in the Culture of Bronze Age China (en anglès). University of California Press, 1993, p. 132. ISBN 978-0-520-07378-4 [Consulta: 8 febrer 2013]. «China seems to have produced the earliest bells anywhere in the world... the earliest metal bells may have been derived from pottery prototypes, which seem to go back to the late stage of the Yang-Shao culture (early third millennium BC)»
