TY - GEN AU - Berger, Harold C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.LCIRC.1068 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Letter Circular 1068::the National Bureau of Standards program in nondestructive evaluation ER -