00266nam a2200109Ia 4500008004100000082001700041100003300058245001100091250001200102260003400114300000800148240913s9999||||xx |||||||||||||| ||und||  a535.2  HEC/O  aEUGENE HECHT AND A R GANESAN 0aOptics  a4th Ed.  bPearson EducationaNULLc2015  a650