TY - CONF AU - Steven Phillips AU - William Estler AU - Theodore Doiron AU - K Eberhardt AU - M. Levenson C2 - Proceedings of 2001 National Conference of Standards Laboratories, Unknown, USA DA - 2001-01-01 LA - en PB - Proceedings of 2001 National Conference of Standards Laboratories, Unknown, USA PY - 2001 TI - A Careful Consideration of the Calibration Concept ER -