00448nam a2200145Ia 4500003000900000008004100009020001800050040001600068080001500084100001900099245010400118260004800222300001700270650001500287IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-64441-0  cIIA Library  a520.2bMAN  aManly, Peter L 4aThe 20cm Schmidt Cassegrain telescopecPeter L. Manly                                                aCambridgebCambridge University Pressc1999  axviii, 265p.  aTelescopes