TY - JOUR AU - Early, E AU - Steiner, Richard AU - Clark, Alan AU - Char, K C2 - Journal of Materials Research DA - 1993-04-01 12:04:00 LA - en M1 - 16 PB - Journal of Materials Research PY - 1993 TI - Half-Integral Constant Voltage Steps in Grain-Boundary High Tc Junctions ER -