access to over five million summaries of journal articles, technical reports, and conference papers and proceedings in all areas of engineering. coverage: 1969-
comprehensive coverage of the world's chemical literature. restricted hours of access: 8:00 am sunday to 5:00 am monday, 5:00 pm to 5:00 am monday to friday. 5:00 pm friday to 6:00 pm saturday. coverage: 1907 -
a digital repository of over 40 million scholarly articles covering every academic discipline.
includes over 1500 full-text journals. subjects covered include: biology, chemistry, medicine, mathematics, physics etc.