TY - SER AU - Shigeo Tanuma AU - Cedric Powell AU - David Penn C2 - San Francisco Press, San Francisco, CA DA - 1987-01-01 00:01:00 LA - en PB - San Francisco Press, San Francisco, CA PY - 1987 TI - Dependence of Inelastic Electron Mean Free Paths on Electron Energy and Material ER -