Description
Item Description:Shipping list number: 1997-0057-P.
"Developed by Aspen Systems Corporation, Rockville, Maryland, under contract number : 105-94-1580"--P. [iii].
G.P.O. sales statement incorrect in publication.
Shipping list number: 97-0057-P.
"Developed by Aspen Systems Corporation, under contract number 105-94-1580"--Title page verso.
Physical Description:ix, 145 pages : illustrations ; 28 cm.
Also available via Internet from ERIC web site. Address as of 10/29/07: http://www.eric.ed.gov/ERICDocs/data/ericdocs2sql/contents̲torage0̲1/0000019b/80/16/86/27.pdf ; current access available via PURL.
ISBN:0160426979
9780160426971