ROCKVILLE, Md. -- Warfel & Miller Inc., publisher of the newsletter Personal Identification News, has released an expanded version of its directory of card and identification technologies.

The 1994 edition combines information on smart card and biometric technology companies that used to appear in separate books.

There are more than 200 papges with 340 listings, including 107 new entries, 14 pages of product photos and a glossary.

The cost is $125 but there is a special offer for newsletter subscribers.

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