TY - JOUR AU - P. Ewart AU - S. O'Leary BT - Journal of Physics B: Atomic and Molecular Physics DA - Apr-11-1986 DO - 10.1088/0022-3700/17/22/020 PY - 1984 SP - 4609 EP - 4616 T2 - Journal of Physics B: Atomic and Molecular Physics TI - Measurement of relative extreme-wing absorption coefficients by excited-state degenerate four-wave mixing UR - http://stacks.iop.org/0022-3700/17/i=22/a=020?key=crossref.e9cf42e00aadc132854dacc8a1cd52d2 VL - 17 SN - 0022-3700 ER -