00700nam a2200205Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 978-0-521-14654-8 IIA Library 12:21.0 DUF Duffett-Smith, Peter 15224 Practical astronomy with your calculator or spreadsheet Peter Duffett-Smith and Jonathan Zwart Cambridge Cambridge University Press 2011 xxii, 216p. Astronomy-Problems, exercises, etc 35155 Calculators-Problems, exercises, etc 35156 Electronic spreadsheets in education 35157 Zwart, Jonathan 35158 BK 18343 18343 0 0 0 0 BAN BAN GEN 2012-08-28 GB 2202.37 1 7 52:681.31/ DUF 19265 2023-08-17 2023-01-12 2202.37 2012-08-28 BK Rs. 2202.37