Carl Townsend, Mastering dBase IV Programming

Daniel Martin, Advance Database Techniques

K.L. Clark & S.A .Tarnlund (Ed.), Logic Programming (APIC studies in Data processing No. 16)

Won Kim, David S. Reiner & Don S. Batory (Ed.), Query Processing

INIS: Thesaurus, IAEA-INIS-13 (Rev. 37), Jan-1998

International Energy Subject Thesaurus, ETDE/PUB-2 (rev.2) (DE97009551)

IAEA Web Site http://www.iaea.or.at

ETDE Web Site http://www.etde.org