00494nam a2200181Ia 4500003000400000005001700004008004000021040001000061041000800071082001200079100002700091245009200118260003700210300000800247650001700255650001400272700002600286OSt20220330142357.0210210b1927   xxu||||| |||| 00| 0 eng d  aALc   aeng  a520/166  aRUSSELL (Henry Norris)  aAstronomy: a revision of youngs manual of astronomybAstrophysics and stellar astronomy  aBostonbGinn and Company.,c1927  a932  aAstrophysics  aastronomy  aDUGAN (Raymond Smith)