ROSAT X-ray detection of epsilon tau : revisiting the coronal and transition region emission of the Hyades giants /

Autor Collura, Alfonso
Vydáno 1993

An objective multi-color method for the characterization of low resolution X-ray spectra /

Autor Collura, Alfonso
Vydáno 1994

Papers presented at : spie's annual meeting on optical science, engineering and instrumentation, Denver (Colorado), USA, 4-9 August 1996 /

Autor Collura, Alfonso
Vydáno 1996

Two very luminous variable X-ray sources in M82 /

Autor Collura, Alfonso, Schulman, Eric, 1968-
Vydáno 1993