TY - SER AU - Judah Levine AU - M. Lombardi AU - A. Novick CY - Washington, DC DA - 2002-05 PB - National Institute of Standards and Technology PP - Washington, DC PY - 2002 EP - 84 TI - NIST Computer Time Services: Internet Time Service (ITS), Automated Computer Time Service (ACTS), and time.gov Web Sites UR - http://www.nist.gov/calibrations/upload/sp250-59.pdf ER -