The RIPE NCC - One Year of Experience with European Internet Coordination. - Daniel Karrenberg; Anne Lord; Marten Terpstra (Comput. Networks ISDN Syst., 1993)

Representation of IP Routing Policies in a Routing Registry (ripe-81++). - Tony Bates; Elise Gerich; Laurent Joncheray; Jean-Michel Jouanigot; Daniel Karrenberg; Marten Terpstra; Jie Yun (Jessica) Yu (RFC, 1995)

Routing Policy Specification Language (RPSL). - Cengiz Alaettinoglu; Tony Bates; Elise Gerich; Daniel Karrenberg; David M. Meyer; Marten Terpstra; Curtis Villamizar (RFC, 1998)

Routing Policy Specification Language (RPSL). - Cengiz Alaettinoglu; Curtis Villamizar; Elise Gerich; David Kessens; David M. Meyer; Tony Bates; Daniel Karrenberg; Marten Terpstra (RFC, 1999)