00300nam a2200097Ia 4500008004100000082001500041100002300056245006900079260004600148300000800194190709s9999    xx            000 0 und d  a530.4 F438  aRichaed, Feynman P 0aFeynman lectures on physics : mainly electromagnetism and matter  aPalo AltobAddison-Wesley Publishinc1964  a410