Cited in: RFC 1973

3 RFCs mentioned in the text of RFC 1973 (PPP in Frame Relay)

RFC	Title	Status	Date
1490	Multiprotocol Interconnect over Frame RelayT. Bradley, C. Brown, A. Malis · obsoleted by RFC 2427	Draft Standard	July 1993
1661	The Point-to-Point Protocol (PPP)W. Simpson, Ed.	Internet Standard	July 1994
1662	PPP in HDLC-like FramingW. Simpson, Ed.	Internet Standard	July 1994