Distributed to some depository libraries in microfiche.
"June 5, 2007."
Also available via Internet from the GPO Access web site. Address as of 6/13/07: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=110%5Fcong%5Freports&docid=f:hr171.110.pdf; current access is available via PURL.