00300nam a2200109Ia 4500008004100000040002500041082001600066100002100082245003200103260004700135300000800182230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a621.366 Is3  aKoryu Ishii , T. 0aMaser and laser engineering  bRobert E. Krieger Publishing Companyc1831  a404