TY - GEN AU - Einzel, Dietrich T1 - 50 Years of Fluxoid Quantization: 2e or Not 2e CY - PY - 2011 PB - T3 - Journal of Low Temperature Physics VL - 163 UR - http://dx.doi.org/10.1007/s10909-011-0349-x SN - 0022-2291