SNMP MIB Extension for X.25 LAPB. - Dean D. Throop; Fred Baker (RFC, 1992)

SNMP MIB Extension for the X.25 Packet Layer. - Dean D. Throop (RFC, 1992)

SNMP MIB extension for Multiprotocol Interconnect over X.25. - Dean D. Throop (RFC, 1993)