Practical Amateur Spectroscopy The Patrick Moore Practical Astronomy Series Editat de Stephen F. Tonkin 25 apr 2002 Paperback Preț: 279.09 lei 3-5 săpt.
AstroFAQs: Questions Amateur Astronomers Frequently Ask The Patrick Moore Practical Astronomy Series Autor Stephen F. Tonkin 4 aug 2000 Paperback Preț: 128.86 lei 3-5 săpt.