Walford's guide to reference materialVol. 1: Science and technology (7th ed)

This guide offers full critical annotations, reviewer's comments and comprehensive author-title and subject indexes.

It contains selective and evaluative entries to guide the enquirer to the best source of reference in each subject area, be it journal article, CD-ROM, online database, bibliography, encylopaedia, monograph or directory.

This edition features extensive coverage of electronic media, topics from wildlife conservation and solar heating to microcomputers and artificial intelligence, international coverage with an emphasis on English language material and subject arrangement based on the Universal Decimal Classification International Medium edition of 1985 (9BS1000M).