00636nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001500084100002500099245006100124260003400185300001000219650003400229650004100263942000700304999001500311952011600326IN-BaIIA211028s9999    xx            000 0 eng d  a0-571-09656-5  cIIA Library  a520.2bROT  aRoth, Gunter D94063 4aThe Amateur astronomer and his telescopecGunter D. Roth  aLondonbFaber and Faberc1972  a182p.  aAstronomical telescopes92016  aAstronomy and astrophysics thesaurus  cBK  c4197d4197  00104070aBANbBANcGENd1973-04-21g14.25l0o520.2/ ROTp4686r2021-11-05v14.25w1973-04-21yBKGRs. 14.25