TY - JOUR AU - M Obrecht j AU - R Wild AU - Eric Cornell C2 - Physical Review A (Atomic Molecular and Optical Physics) DA - 2007-01-01 00:01:00 LA - en M1 - 75 PB - Physical Review A (Atomic Molecular and Optical Physics) PY - 2007 TI - Measuring electric fields from surface contaminants with neutral atoms ER -