00291nam a2200109Ia 4500008004100000040002500041082001500066100001800081245003900099260003500138300000800173230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  aR503 M178y  aHill, McGraw  0aYearbook of Science and Technology  bMcGraw-Hill Book Companyc1973  a468