1. “Reference Linking in a Hybrid Library Environment, Part 1: Frameworks for Linking”;Van de Sompel;D-Lib Magazine,1999
2. Ibid, “Reference Linking in a Hybrid Library Environment, Part 2: SFX, A Generic Linking Solution,” D-Lib Magazine 5 (4) (1999), http://www.dlib.org/dlib/april99/van_de_sompel/04van_de_sompel-pt2.html (accessed March 15, 2005);
3. Ibid, “Reference Linking in a Hybrid Library Environment, Part 3: Generalizing the SFX Solution in the ‘SFX@Ghent & SFX@LANL’ Experiment,” D-Lib Magazine 5 (10) (1999), http://www.dlib.org/dlib/october99/van_de_sompel/10van_de_sompel.html (accessed March 15, 2005).
4. National Information Standards Organization, The OpenURL Framework for Context-Sensitive Services (Z39.88-2005) (2005), http://www.niso.org/standards/resources/Z39_88_final_ANSIpending.pdf?CFID=771650&CFTOKEN=79360825 (accessed March 15, 2005).
5. “Context-Sensitive Linking: It's a Small World After All”;Collins;Serials Review,2002