http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Monthly (except bimonthly May/June and July/Aug.), 1978-19
Monthly (except bimonthly May/June and Nov./Dec.), <1980>-19
Also available on CD-ROM, 1991-1993: Enviro/energyline abstracts plus; 1994- Environment abstracts.
Beginning with 1994, divided into 2 parts; Index (which cumulates quarterly) and Abstracts.
Published by: Environment Information Center, 1974- ; by: EIC Intelligence Inc., <1984->; by: Bowker A & I Pub., -1993; by: Congressional Information Service, 1994-
Issued also in an annual cumulation with title: Environment abstracts annual, 1980-
Has also cumulative index called: Environment index, 1974-1987.
Bowker A & I Publishing, R.R. Bowker, 245 W. 17 St., New York, NY 10011