Resources for “Centalized Authorization Using a Directory Service, Part II”

Managing NFS and NIS by Hal Stern, Mike Eisler and Ricardo Labiaga, 2nd Edition, O'Reilly; ISBN 1-56592-510-6. A little Solaris-specific but good at explaining how things work.

A good source for Linux-specific NIS information is the NIS-HOWTO:

PADL Software Pty Ltd., NIS to LDAP Migration Tools: