Publications from from the U.S. Department of Energy(ECD) provides free access to over 2,457,000 science research citations with continued growth through regular updates. There are over 296,000 electronic documents, primarily from 1943 forward, available via the database. ECD is a free subset of the fee-based Energy Science & Technology database available from Thomson’s Dialog http://www.dialog.com/. Documents include report literature, conference papers, journal articles, books, dissertations, and patents covering energy and energy-related scientific/technical information in areas such as chemistry, physics, biomedical science, environmental science, geology, engineering, mathematics, climatology, computer science, economics, and law. Basic Search & Fielded Search.