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Peter Duffett-Smith

5 books

Books by Peter Duffett-Smith

Practical astronomy with your calculator or spreadsheet
Practical astronomy with your calculator or spreadsheet
2011
Easy PC astronomy
Easy PC astronomy
1997
Astronomy with your personal computer
Astronomy with your personal computer
1985
Practical astronomy with your calculator
Practical astronomy with your calculator
1979
Astronomy Personal Computer
Astronomy Personal Computer