A Muon Spectrometer Using a Superconducting Magnet Carstensen, K. ; Dau, W. D. ; Grupen, C. ; Krolzig, A. ; Pforte, R. ; Stamm, W. ; Swars, M. Abstract Publication: International Cosmic Ray Conference Pub Date: 1973 Bibcode: 1973ICRC....4.2964C