TY - JOUR AU - R. Greene AU - John Cooper BT - Journal of Quantitative Spectroscopy and Radiative Transfer DA - Jan-11-1975 DO - 10.1016/0022-4073(75)90073-4 PY - 1975 SP - 991 EP - 993 T2 - Journal of Quantitative Spectroscopy and Radiative Transfer TI - On the effect of time-ordering for Lyman-α VL - 15 SN - 00224073 ER -