TY  - BOOK
AU  - Aschenbach,B.
AU  - Hahn,Hermann-Michael
AU  - Trümper,Joachim
AU  - Jenkner,Helmut
TI  - The invisible sky: ROSAT and the age of X-ray astronomy 
SN  - 0387949283 (alk. paper)
U1  - 522/.6863 21
PY  - 1998///
CY  - New York
PB  - Copernicus
KW  - ROSAT (Artificial satellite)
KW  - X-ray astronomy
N1  - Translation of: Der unsichtbare Himmel; Includes index
ER  -