Applications of ion beams to materials, 1975 : invited and contributed papers from the International Conference on Applications of Ion Beams to Materials held at the University of Warwick, 8-12 September 1975 - International Conference on Applications of Ion Beams to Materials; Carter, G. (George); Colligon, J. S. (John Smallwood); Grant, W. A. (William Alexander) (Institute of Physics conference series, 1976)