BS ISO/IEC 8825-7:2015 Information technology. ASN.1 encoding rules Specification of Octet Encoding Rules (OER)

Data processing
Coding (data conversion)
Syntax
Codes
Data conversion
Coded character sets

Link: BS ISO/IEC 8825-7:2015 Information technology. ASN.1 encoding rules Specification of Octet Encoding Rules (OER)
Source: BSI Standards