Text in periodical Crofts, Nick ; Doerr, Martin ; Gill, Tony. – «The CIDOC conceptual reference model : a standard for communicating cultural contents». – Cultivate Interactive [on line]. – No. 9 (Feb. 2003). – N. p.
Book Introduction to medatata : pathways to digital information. – Edited by Tony Gill. – Los Angeles : Getty Research Institute, 1998. – 47 p.