ACerS & NIST announce the release of Phase Equilibria Diagrams CD-ROM database version 3.1. Version 3.1 contains more than 20,000 diagrams previously published in phase volumes produced as part of the AcerS-NIST Phase Equilibria Diagrams Program: Vols 1-XIV; Annuals 91, 92, & 93; High-Tc Superconductors 1 & II; Zirconium & Zirconia Systems; & Electronic Ceramics. Enhanced search capabilities allow the user to search by authors, system components,language of the original publication, original publication year, series volume number, full bibliographic reference of the paper, and figure captions from diagrams published in Phase Equilibria Diagrams volumes. The diagram preview feature makes searching quick and easy. The new version offers full commentary text display in addition to diagram display. For more information please see: www.ceramics.org