Ken M. Harrison
Grating Spectroscopes and How to Use Them - 2012 - Springer New York 2012 - The Patrick Moore Practical Astronomy Series .
9781461413974
Physics and Astronomy
Grating Spectroscopes and How to Use Them - 2012 - Springer New York 2012 - The Patrick Moore Practical Astronomy Series .
9781461413974
Physics and Astronomy