Stallings, William.
Networking standards : a guide to OSI, ISDN, LAN, and MAN standards - Reading, Mass. : Addison-Wesley Pub.Co., 1993 - 646
COMPUTER NETWORKS-STANDARDS
DATA TRANSMISSION SYSTEMS-STANDARDS
TK5105.5 / S72N
Networking standards : a guide to OSI, ISDN, LAN, and MAN standards - Reading, Mass. : Addison-Wesley Pub.Co., 1993 - 646
COMPUTER NETWORKS-STANDARDS
DATA TRANSMISSION SYSTEMS-STANDARDS
TK5105.5 / S72N