TY - JOUR AU - Tanuma, Shigeo AU - Powell, Cedric AU - Penn, David C2 - Surface Science DA - 1987-12-01 00:12:00 LA - en M1 - 192 PB - Surface Science PY - 1987 TI - Proposed Formula for Electron Inelastic Mean Free Paths Based on Calculations for 31 Materials ER -