TY - JOUR AU - G. Wallerstein BT - Publications of the Astronomical Society of the Pacific DA - Jan-12-1979 DO - 10.1086/130585 PY - 1979 EP - 772 T2 - Publications of the Astronomical Society of the Pacific TI - The behavior of H-alpha in Delta Cephei UR - http://articles.adsabs.harvard.edu/full/1979PASP...91..772W VL - 91 SN - 0004-6280 ER -