TY - BOOK AU - Kitchin, C. R TI - Telescopes and techniques: an introduction to practical astronomy T2 - Practical Astronomy Series SN - 3-540-19898-9 PY - 1995/// CY - New York PB - Springer-Verlag KW - Astronomy KW - Observing KW - Photometry KW - Telescope Optics KW - Telescopes ER -