TY - GEN AU - John Beers AU - William Penzes C2 - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD DA - 1999-07-23 LA - en M1 - 104 No. 3 PB - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD PY - 1999 TI - The NIST Length Scale Interferometer ER -