OBSERVATION OF QUANTUM STEPS IN THE SUPERFLUID CIRCULATION AROUND A FINE WIRE IN LIQUID 4He II IN ROTATION P.W. Karn, D.R. Starks, W. Zimmermann and Jr. J. Phys. Colloques, 39 C6 (1978) C6-170-C6-171 DOI: 10.1051/jphyscol:1978675