TY - JOUR AU - D. van Blerkom BT - The Astrophysical Journal DA - Jan-04-1978 DO - 10.1086/156016 PY - 1978 EP - 186 T2 - The Astrophysical Journal TI - Mass loss from P Cygni - The evidence of the Balmer lines UR - http://adsabs.harvard.edu/doi/10.1086/156016 VL - 221 SN - 0004-637X ER -