00235nam a2200109Ia 4500008004100000041000800041082000800049100001300057245001200070260003500082300000800117211209s1945    xx            000 0 und d  aeng  aNEW  aNEWTON J  aOPTICS   aLONDONbG. BELL AND SONSc1945  a373