00517nam a2200169Ia 4500003000900000008004100009040001600050080001500066100001900081245010100100260003500201300001600236650004100252650001900293650002400312650001100336IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a535.8bJOH  aJohnson, B. K. 0aOptical design and lens computationcB. K. Johnson                                                aLondonbThe Hatton Pressc1948  aviii, 175p.  aAstronomy and Astrophysics Thesaurus  aOptical Design  aOptical Instruments  aOptics