Astronomy principles and practice
Roy, A. E
Astronomy principles and practice A. E. Roy and D. Clarke - 4th ed. - New Delhi Nutech Photolithopraphers 2011 - xxiii, 475p.
978-0-7503-0917-2
Astronomy-Principles
Observation techniques
52 / ROY
Astronomy principles and practice A. E. Roy and D. Clarke - 4th ed. - New Delhi Nutech Photolithopraphers 2011 - xxiii, 475p.
978-0-7503-0917-2
Astronomy-Principles
Observation techniques
52 / ROY