TY - ICOMM AU - C O\'Brien AU - P Lamperti AU - T Williams AU - Tillman Sander C1 - http://nvl.nist.gov/pub/nistpubs/ Jres/105/5/cnt105-5.htm C2 - http://nvl.nist.gov/pub/nistpubs/ Jres/105/5/cnt105-5.htm DA - 2000-01-01 LA - en M1 - 105 PB - http://nvl.nist.gov/pub/nistpubs/ Jres/105/5/cnt105-5.htm PY - 2000 TI - Comparison of the NIST and NPL Air Kerma Standards Used for X-ray Measurements Between 10 kV and 80 kV ER -