Description
Published:Vol. 1, no. 1 (Jan. 1967)-
Item Description:Title from cover.
One issue annually, Sept. 1993- consists of the 1994- Environmental buyers' guide edition.
Published: Washington, DC, <Sept. 1993->
Physical Description:volumes : illustrations (some color), portraits ; 29 cm.
Publication Frequency:Semimonthly, 1998-
ISSN:0013-936X
1520-5851
1068-4980
Source of Description, Etc. Note:Latest issue consulted: Vol. 28, no. 10 (Sept. 1994)
Action Note:committed to retain 20180101 20430101 Alliance Shared Trust https://www.coalliance.org/shared-print-archiving-policies.
Supplement Note:Some issues for <1972-Feb. 1991> accompanied by supplementary material on microfiche; Mar. 1995-1998 by supporting information on microfiche; supporting information available only online after 1998.