TY - JOUR AU - Peter Conti BT - New Astronomy DA - Jan-12-1999 DO - 10.1016/S1384-1076(99)00037-8 PY - 1999 SP - 489 EP - 493 T2 - New Astronomy TI - Three-dimensional spectral classification of WN stars: One too many? VL - 4 SN - 13841076 ER -