TY - JOUR
AU - G. Wallerstein
BT - Publications of the Astronomical Society of the Pacific
DA - Jan-01-1983
DO - 10.1086/131187
PY - 1983
EP - 422
T2 - Publications of the Astronomical Society of the Pacific
TI - The behavior of H-alpha in the 16-day cepheid X Cygni
UR - http://adsabs.harvard.edu/full/1983PASP...95..422W
VL - 95
SN - 0004-6280
ER -