00514nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001500084100002000099245009200119260003800211300001600249650004100265650002300306650001500329IN-BaIIA211028s9999    xx            000 0 eng d  a0-85109-440-6  cIIA Library  a520.2bBAR  aBarlow, Boris V 4aThe astronomical telescopecBoris V Barlow                                               aLondonbWykehan Publictaionc1975  aviii, 213p.  aAstronomy and astrophysics thesaurus  aOptical telescopes  aTelescopes