00319nam a2200109Ia 4500008004100000082001800041100001900059245006800078260004200146300001000188650001100198060110s9999    xx            000 0 und d  a530.15bBIT/M  aBITTER, Fronis  aMathematical aspects of physics, an introductioncFronis Bitter  bHeinemann Educational books Ltdc1964  a188p.  a530.15