TY - GEN AU - Cedric Powell AU - Aleksander Jablonski C2 - Other, National Institute of Standards and Technology, Gaithersburg, MD DA - 2002-02-01 LA - en PB - Other, National Institute of Standards and Technology, Gaithersburg, MD PY - 2002 TI - The NIST Electron Effective-Attenuation-Length Database ER -