1. His history remains a reference book while his anthology of the XIXth. 2. The encyclopedia received a national award for best reference book in 1979, 3. The book is treated as the standard reference book on the subject. 4. The reference book does not give any further explanation of those games. 5. Also included are reviews of professional reading for librarians and reference books . 6. Buy one or two good reference books , and the rest will come. 7. Designers use building code standards out of substantial reference books during design. 8. My company has hardcopy reference books with both graphical and textual information. 9. The U . S . government apparently considered the reference book important. 10. Since many reference books get dated fast, the Web has real advantages.
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