Evans GR; Potts M; Hogendijk JP; Sesiano J; Langermann YT; Calvo E; Samsó J; Dold-Samplonius Y; Cheng-Yih C; Se AT; Sarma KV; Richards P; Bray F; Arora RK; Bolens L; Sakiura S; Turner BL; Clarke WC; Schwerin KH; Olofson H; Pacey A; Jochi S; Pregadio F; Dash B; Yong LL; Hayashi T; Rofa M; Bin Ismail MR; Bakar O; Arifin K; Atan M; Høyrup J; Kunitzsch P; Salem SI; D’Ambrosio U; Rodrigue CM; Martzloff J-C; Smith JA; Xiaoyuan J; Gupta RC; Shigeru N; Tripathi VN; Lemay R; Ōhashi Y; King DA; Culver RB; Doyle LR; Frank EW; Krupp EC; Haynes RD; Yoke HP; De Young G; Ammarell G; Macri MJ; Dhanani A; Berdan FF, 1997, 'A', in
Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, Springer Netherlands, pp. 1 - 146,
http://dx.doi.org/10.1007/978-94-017-1416-7_1