TY - JOUR AU - David Penn AU - S Apell AU - S Girvin C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 1985-01-01 LA - en M1 - 32 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 1985 TI - Spin Polarization of Secondary Electrons in Transition Metals: Theory ER -