http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Electrical & electronics abstracts 0036-8105
Energy research abstracts Feb. 1974- 0160-3604
Engineering index annual (1968) 0360-8557
Engineering index bioengineering abstracts 0736-6213
Engineering index energy abstracts 0093-8408
Engineering index monthly (1984) 0742-1974
International aerospace abstracts 0020-5842
Physics abstracts. Science abstracts. Series A 0036-8091 Jan./Feb. 1972-
Pollution abstracts with indexes 0032-3624
Safety science abstracts journal 0160-1342
Selected water resources abstracts 0037-136X