TY - CONF AU - Julienne, Paul AU - Tiesinga, Eite AU - Leo, P AU - Williams, Carl C2 - Atomic Physics 16, Ontario, CA DA - 1999-01-01 LA - en PB - Atomic Physics 16, Ontario, CA PY - 1999 TI - Ultracold Collisions: Exploring the Quantum Threshold Regime ER -