TY - JOUR AU - D. Stacey AU - John Cooper BT - Physics Letters A DA - Jan-09-1969 DO - 10.1016/0375-9601(69)90035-8 PY - 1969 SP - 49 EP - 50 T2 - Physics Letters A TI - Impact theory of resonance broadening in spectral lines of the alkali metals VL - 30 SN - 03759601 ER -