TY - JOUR AU - K Jones AU - Paul Julienne AU - Paul Lett AU - William Phillips AU - Eite Tiesinga AU - Carl Williams C2 - Europhysics Letters DA - 1996-01-01 00:01:00 LA - en M1 - 35 PB - Europhysics Letters PY - 1996 TI - Observation of Retardation in the Interaction Between Two Na Atoms Bound in a Molecule and a Determination of the Atomic 3P Lifetime ER -