TY - GEN AU - Paul E Pontius C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MONO.149 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - Measurement assurance program- a case study ::lengths measurements. Part 1. long gage blocks (5 in to 20 in) ER -