TY - JOUR AU - Fowler, J AU - Saunders, Robert AU - Parr, Albert C2 - Metrologia DA - 2000-04-03 LA - en M1 - 37 PB - Metrologia PY - 2000 TI - Summary of the High Accuracy Aperture Measurement Capabilities at the National Institute of Standards and Technology UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=841396 ER -