IEC 60870-6-501 Ed. 1.0 b:1995, Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations - Section 501: TASE.1 Service definitions: IEC TC/SC 57: Amazon.com: Books
IEC/TR 62357 Ed. 1.0 en:2003, Power system control and associated communications - Reference architecture for object models, services and protocols: IEC TC/SC 57: Amazon.com: Books