SPIN PRECESSION AND PHASE DELAY TUNNELING TIMES Z. HUANG, P.H. CUTLER, T.E. FEUCHTWANG, R.H. GOOD, Jr., E. KAZES, H.Q. NGUYEN and S.K. PARK J. Phys. Colloques, 49 C6 (1988) C6-17-C6-22 DOI: 10.1051/jphyscol:1988604