Wooden drums for inter-village telephony in Central Africa.
Carrington, J.F.
Wooden drums for inter-village telephony in Central Africa. - p. 10-14 ill.
in Journal of the Institute of wood science, VII, 4, nov. 1976
--Offprints
Wooden drums for inter-village telephony in Central Africa. - p. 10-14 ill.
in Journal of the Institute of wood science, VII, 4, nov. 1976
--Offprints