00539cam a2200145 a 4500 0 0 0 0 LCC LCC 2019-04-18 Pak Book Corporation 2481.88 0 522.6863 ASC 38468 2019-04-18 00:00:00 1 2019-04-18 BK 24483 24483 0387949283 (hbk) 522.6863 ASC Aschenbach, Bernd Hermann-Michael Hahn Joachim Trumper The invisible sky ROSAT and the age of X-ray astronomy New York Copernicus 1998 175 p. : ill. (col.) ; 25 cm. Includes index. Physics Artificial satellite X-Ray astronomy X-Ray plusar Enigma geminga Fusion process Galaxy ROSAT RICAS BK