00598nam a2200181Ia 4500003000900000008004100009020002200050040001600072080001800088100001600106245014800122260002900270300001400299650002200313650003100335650002800366650002200394IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-387-76603-4  cIIA Library  a520.1.17bHIC  aHicks, John 0aBuilding a roll-off roof observatoryba complete guide for design and constructioncJohn Hicks                                                   aNew YorkbSpringerc2009  axv, 144p.  aAmateurs' manuals  aAstronomical observatories  aDesign and construction  aRetractable roofs