IEEE 802.12
www.faqs.org/rfcs/rfc2266.html
www.hpl.hp.com/techreports/96/HPL-96-63.html
www.icc.com/netapp-100vganylan.htm
www.isi.edu/in-notes/rfc2020.txt
www.manta.ieee.org/groups/802/12/
www.globetrotting.com/ne/vganylan.htm