Select the packages and single databases concerning your subjects. The subject packages are available during the period you select.

Please bear in mind, when you select your items, that some single databases may already be part of some more comprehensive packages.

Find more information on the database contents on our homepage under Packages and Databases.

Your package(s) are valid on receipt of the confirmation-mail. There is no automatic renewal. Cancellation is therefore not necessary.

The combination of packages is arbitrary. The search engine is TecFinder by WTI Frankfurt.

Orders with cost of copies of the original publications (fulltexts) have to be placed with the German National Library of Science and Technology (TIB), Hannover, or via the links to the servers of the publishers.