X-RAY-EMISSION FROM M87 - A PRESSURE CONFINED COOLING ATMOSPHERE SURROUNDING A LOW MASS GALAXY
ASTROPHYSICAL JOURNAL 247:2 (1981) 464-472
X-RAY-LINE WIDTHS AND CORONAL HEATING
ASTROPHYSICAL JOURNAL 244:3 (1981) L137-&
X-RAY-SPECTRA OF SOLAR-FLARES OBTAINED WITH A HIGH-RESOLUTION BENT CRYSTAL SPECTROMETER
ASTROPHYSICAL JOURNAL 244:3 (1981) L141-L145