00617nam a2200181Ia 4500003000900000008004100009020002200050040001600072080001700088100002500105245010000130260004800230300001600278650003900294650004100333650004100374700002000415IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-521-14654-8  cIIA Library  a12:21.0bDUF  aDuffett-Smith, Peter 0aPractical astronomy with your calculator or spreadsheetcPeter Duffett-Smith and Jonathan Zwart  aCambridgebCambridge University Pressc2011  axxii, 216p.  aAstronomy-Problems, exercises, etc  aCalculators-Problems, exercises, etc  aElectronic spreadsheets in education  aZwart, Jonathan