Abe Martey, IS-IS Network Design Solution, Cisco Press ISBN: 1-57870-220-8 IS-IS Network Design Solutions - CiscoPress
Russ White and Alvaro Retana, IS-IS Deployment in IP Networks, Addison Wesley ISBN: 0-201-65772-4
By Cisco Systems, Inc., CCNP 1: Advanced Routing Companion Guide Cisco Press ISBN: 1587131358, CCNP 1 - CiscoPress
Wikipedia - Greedy Algorithmen
Introduction to Intermediate System-to-Intermediate System Protocol - Cisco Site
Integrated Intermediate System-to-Intermediate System (IS-IS) - Cisco Site