Description
Published:Vol. 1, no. 1 (Feb. 1987)-
Item Description:Published: Reston, VA, <Feb. 2000->
Evans description based on: volume 10, number 1 (Feb. 1996).
Physical Description:volumes : illustrations ; 22 cm.
Beginning with 1999, tables of contents and abstracts in HTML format and full-text in PDF and Gzipped PostScript formats also available to subscribers online via the World Wide Web.
Publication Frequency:Quarterly
ISSN:0887-3828