TY - JOUR AU - Lafarge, P AU - Pothier, H AU - Williams, Edwin AU - Esteve, D AU - Urbina, C AU - Devoret, Michel C2 - Journal of Physics B-Atomic Molecular and Optical Physics DA - 1991-12-01 00:12:00 LA - en PB - Journal of Physics B-Atomic Molecular and Optical Physics PY - 1991 TI - Direct Observation of Macroscopic Charge Quantization ER -