Many useful reference books are now available online:
Some print reference books are still very useful sources of information. They are found on the Reference book shelves on the main floor of the Library.
The Knovel Digital Library is a collection of over 700 technical manuals, handbooks, and reference books on every aspect of engineering. It includes book chapters, interactive charts and graphs, formulas and equations, physical properties and constants that a scientist or engineer might need. Start your search here: