xi, 129 pages : illustrations (some color) ; 22 x 29 cm
OCLC
ocm42982287
"Award number 97-IJ-R-072"--T.p. verso.
"September 1999."
"U.S. Department of Justice ..., U.S. Department of Education, Safe and Drug-Free Schools Program, U.S. Department of Energy, Sandia National Laboratories"--Cover.
Shipping list no.: 2000-0037-P.
Includes bibliographical references (pages 121-129).
Also available via Internet at the NCJRS web site. Address as of 12/21/99: http//www.ncjrs.org/school/home.html; current access is available via PURL.