
- The Astrophysical Journal, 561:L107--L110, 2001 November 1 # 2001. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- The Astrophysical Journal, 532:L117--L120, 2000 April 1 # 2000. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- The Astrophysical Journal, 517:L27L30, 1999 May 20 1999. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- THE ASTROPHYSICAL JOURNAL, 554:202215, 2001 June 10 V ( 2001. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- The Astrophysical Journal, 532:L117L120, 2000 April 1 2000. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- The Astrophysical Journal, 517:L27--L30, 1999 May 20 # 1999. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- The Astrophysical Journal, 573:L27--L30, 2002 July 1 # # 2002. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- The Astrophysical Journal, 555:L99L102, 2001 July 10 2001. The American Astronomical Society. All rights reserved. Printed in U.S.A.
- ................................................................. faint discrete source origin the highly ionized iron emission
- THE ASTROPHYSICAL JOURNAL, 523:121135, 1999 September 20 1999. The American Astronomical Society. All rights reserved. Printed in U.S.A.(