(Non-normative) Computer Graphics: Principles and
Practice in C, Second Edition, J. Foley, A. van Dam,
S. Feiner, J. Hughes. Addison-Wesley. ISBN
0-201-84840-6.
[GREGORIAN]
(Non-normative) Inter Gravissimas, A. Lilius,
C. Clavius. Gregory XIII Papal Bull, February 1582.
Scalable Vector
Graphics (SVG) Tiny 1.2 Specification, O. Andersson,
R. Berjon, E. Dahlström, A. Emmons, J. Ferraiolo, A. Grasso,
V. Hardy, S. Hayman, D. Jackson, C. Lilley, C. McCormack,
A. Neumann, C. Northway, A. Quint, N. Ramani, D. Schepers,
A. Shellshear. W3C.
[TIS620]
UDC
681.3.04:003.62. Thai Industrial Standards Institute,
Ministry of Industry, Royal Thai Government. ISBN
974-606-153-4.