00651nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001500084100002600099245010400125260004800229300001700277650002100294942000700315999001700322952013000339IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-64441-0  cIIA Library  a520.2bMAN  aManly, Peter L920161 4aThe 20cm Schmidt Cassegrain telescopecPeter L. Manly                                                aCambridgebCambridge University Pressc1999  axviii, 265p.  aTelescopes91997  cBK  c13638d13638  00104070aBANbBANcGENd2000-08-07eANJ   g861.60l0o520.2/ MANp14557r2021-11-05v861.60w2000-08-07yBKGRs. 861.60