TY - JOUR AU - Shigeo Tanuma AU - Cedric Powell AU - David Penn C2 - Surface and Interface Analysis DA - 1991-01-01 00:01:00 LA - en M1 - 17 PB - Surface and Interface Analysis PY - 1991 TI - Calculations of Electron Inelastic Mean Free Paths II. Data for 27 Elements over the 50-2000 eV Range ER -