http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Computer & control abstracts, 0036-8113, July 1983-
Electrical & electronics abstracts, 0036-8105, July 1983-
Physics abstracts. Science abstracts. Series A, 0036-8091, July 1983-
Beginning with 1995, also available to subscribers, in PDF, via the World Wide Web.
Annals of pure and applied logic (Online)