00669nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001200084100002000096245013400116260004800250300001700298650001800315942000700333999001700340952013000357IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-53551-4  cIIA Library  a52bBRA  aBradt, H928835 0aAstronomy methodsba physical approach to astronomical observationscH. Bradt                                                      aCambridgebCambridge University Pressc2004  axxiii, 433p.  aAstronomy980  cBK  c15640d15640  00104070aBANbBANcGENd2004-03-22eEDS   g2775.05l0o52/ BRAp16562r2021-11-05v2775.05w2004-03-22yBKGRs. 2775.05