ANALYTICAL STUDIES OF ADVANCED HIGH-FIELD DESIGNS : 20-TESLA LARGE BORE SUPERCONDUCTING MAGNETS R.W. Hoard, D.N. Cornish, R.M. Scanlan, J.P. Zbasnik, R.L. Leber, R.B. Hickman and J.D. Lee J. Phys. Colloques, 45 C1 (1984) C1-875-C1-880 DOI: 10.1051/jphyscol:19841178