- Active. This professional grade VuSpec product features an exclusive array of essential content and features. With this limited edition VuSpec, you get all of the following: - An easy-to-use browser interface with convenient links and navigation. - An electronic glossary of terms with official definitions. - An index that guides you by keyword. - Multiple search modes for quick finds or complete searches through all the content at once. - 12 essential Hydroelectric Power white papers. - A handy bibliography of recommended IEEE hydroelectric papers. Contains 25 active and inactive IEEE Standards, Guides, and Recommended Practices for Hydroelectric Power. For a complete list of titles go to http://standards.ieee.org/findstds/prod/cds/hydro.pdf. SINGLE - USER EDITION: THIS PRODUCT IS LICENSED FOR ONE USER ONLY