TY - JOUR AU - Carl Wieman BT - Hyperfine Interactions DA - Jan-01-1993 DO - 10.1007/BF00567248 PY - 1993 SP - 27 EP - 34 T2 - Hyperfine Interactions TI - Parity nonconservation in atoms; past work and trapped atom future VL - 81 SN - 0304-3834 ER -