Practical Astronomy with your Calculator or Spreadsheet Autor Peter Duffett-Smith et al. 5 iul 2017 Paperback Preț: 249.52 lei 3-5 săpt.
Astronomy with your Personal Computer Autor Peter Duffett-Smith 28 iun 1990 Paperback Preț: 374.62 lei 6-8 săpt.