Description
Item Description:"June 1979."
"This monograph is based on paper presented at a technical review conducted by Plog Research, Inc., Reseda, California, under NIDA Contract number 271-77-3413. The conference took place on September 14 and 15, 1978, in Reston, Virginia"--Page iv.
Electronic resource.
Physical Description:1 online resource (viii, 256 pages) : illustrations.
Bibliography:Includes bibliographical references.