00472nam a22001457i 4500001001000000005001700010008004100027082001900068100004700087245008400134250001000218260005500228300001700283650002600300SXC00003820260819093257.0260101s1962    ii            000 0 eng d  a523 DAV-E3222  aDavidson, Martin; Dinwoodie, Cameron, Rev.10aElementary mathematical astronomy /cDavidson, Martin; Dinwoodie, Cameron, Rev.  a3 ed.  abHutchinson Scientific & Technical, London,c1962  ap. ;c22 cm. 0aDescriptive astronomy