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Spectral Variability of 3C 273 at soft X-rays
Staubert, R., Courvoisier, T.J.-L., Fink, H., Ulrich, M.-H., Brunner, H., Friedrich, S., Otterbein, K.Volume:
159
Year:
1994
Journal:
Symposium - International Astronomical Union
DOI:
10.1017/s0074180900175746
File:
PDF, 185 KB
1994