00636nam a2200205Ia 4500003000900000008004100009020002200050040001600072080001600088100002400104245013300128260002700261300001600288490004700304650002400351650001400375650001500389650001400404650001200418IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-387-71822-4  cIIA Library  a523.68bBUC  aBuchheim, Robert K. 4aThe sky is your laboratorybadvanced astronomy projects for amateurscRobert K. Buchheim                                          aBerlinbSpringerc2007  axxvi, 299p.  aSpringer-Praxis books in popular astronomy  aAmeateur astronomer  aAmeateurs  aAstrometry  aAstronomy  aMeteors