TY - JOUR AU - C. Opal AU - Earl Beaty BT - Journal of Physics B: Atomic and Molecular Physics DA - Jan-03-1972 DO - 10.1088/0022-3700/5/3/030 PY - 1972 SP - 627 EP - 635 T2 - Journal of Physics B: Atomic and Molecular Physics TI - Measurements of large angle inelastic scattering cross sections for electrons on helium VL - 5 SN - 0022-3700 ER -