TY - CHAP AU - Richard Harris AU - Juergen Niemeyer C2 - 100 Years of Superconductivity, Chapman & Hall, CRC Press of the Taylor & Francis Group, Danvers, MA DA - 2011-11-11 LA - en PB - 100 Years of Superconductivity, Chapman & Hall, CRC Press of the Taylor & Francis Group, Danvers, MA PY - 2011 TI - Quantum Metrology ER -