United States text continuing 1 online resource. Title from home page last updated Mar. 19, 2003 (viewed Mar. 9, 2004). Mathematics Government publications 512 WIL 2004 C260 Or. 9780078247880 http://purl.access.gpo.gov/GPO/LPS3867 http://purl.access.gpo.gov/GPO/LPS3867