TY - GEN AU - Stephen R Heller AU - G W A Milne C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1978-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.NSRDS.63v1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1978 TI - EPANIH mass spectral data base ::volume 1. molecular weights 30-186 ER -