TY - JOUR AU - Burns, D AU - O'brien, M AU - Lamperti, P AU - Boutillon, M C2 - Journal of Research of the National Institute of Standards and Technology DA - 2003-01-01 LA - en M1 - 108 PB - Journal of Research of the National Institute of Standards and Technology PY - 2003 TI - Comparison of NIST and BIPM Medium-Energy X-Ray Air-Kerma Measurements ER -