BS IEC 61076-2-011. Connectors for electronic equipment. Product requirements. Part 2-011. Circular connectors. Detail specification for bayonet connectors based on mating faces according to IEC 61076-2— 14 стр.
Connectors for electronic equipment - Part 2-101: Circular connectors - Detail specification for circular connectors M8 with screw- or snap-locking, M12 with screw-locking for low voltage applications— 99 стр.