@article{8140, author = {Richard McCray and T. Kallman and John Castor and G. Olson}, title = {Spectral variability in early-type binary X-ray systems}, year = {1984}, journal = {The Astrophysical Journal}, volume = {282}, pages = {245}, month = {Jan-07-1984}, issn = {0004-637X}, url = {http://adsabs.harvard.edu/full/1984ApJ...282..245M}, doi = {10.1086/162197}, }