00287nam a2200109Ia 4500008004100000041000800041082001900049100001300068245005200081260003600133300000800169211209s1963    xx            000 0 und d  aeng  a530.15 N63 BIT  aBITTER F  aMATHEMATICAL ASPECTS OF PHYSICS : INTRODUCTION   bARCHAR BOOKS DOUBLE ETC..c1963  a197