00390nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001200084100001600096245004200112250001200154260003600166300001300202650001700215IN-BaIIA211028s9999    xx            000 0 eng d  a0-485-11150-0  cIIA Library  a52bALL  aAllen, C. W 0aAstrophysical quantitiescC. W. Allen  a3rd ed.  aLondonbThe Athlone Pressc1973  ax, 310p.  aAstrophysics