The CD-ROM combines the landmark nine volume series with the new concise edition and extensive video footage and sound recordings. Advanced search tools make this easy to use, and enables the user to study the material in ways which would be both impossible and impractical using the books.
Key features:
Search and cross-reference across approximately 9,000 pages and 1,000 colour plates in seconds
Bookmarking, notemaking and recording facilities
User preference tools which allow the user to concentrate on current interests - or search the entire contents of the CD-ROM
Hundreds of video clips, sounds, colour plates, photographs and line illustrations. Species lists can be customized for 6 European languages - Dutch, French, German, Italian, Spanish, and Swedish.

Bat Detectors