Observations of Type 1 Seyfert galaxies with the HEAO-1 scanning modulation collimator
Griffiths, R. E., Briel, U., Schwartz, D. A., Schwarz, J., Doxsey, R. E., Johnston, M. D.Volume:
188
Journal:
Monthly Notices of the Royal Astronomical Society
DOI:
10.1093/mnras/188.4.813
Date:
October, 1979
File:
PDF, 431 KB
1979