00588nam a2200169Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 017:52-73 EIN.5 Einstein Catalog Committee 21185 Einstein observatory catalog of IPC x-ray sources vol. 5 Einstein Catalog Committee Cambridge Smithsonian Astrophysical Observatory 1990 iii, 769p. v. 5 X-Ray sources, Catalog-Imaging Propotional Counter 21186 BK 12146 12146 0 0 ddc 0 0 BAN BAN GEN 1997-07-08 0 017:52-73/ EIN.5 13062 2021-11-05 1997-07-08 BK