Herrero-Solana, Graphical Table of Contents for Libraries

Herrero-Solana, Victor, Felix Moya-Anegon, Vicente Guerrero-Bote, and Felipe Zapico-Alonso. “Graphical Table of Contents for Library Collections: The Application of Universal Decimal Classification Codes to Subject Maps.” Information Technology and Libraries 25, no. 1 (March 2006): 43–47. doi:10.6017/ital.v25i1.3328.