00349nam a2200121Ia 4500008004100000041001200041082001100053100001800064245011400082260000600196650000600202700001900208221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. P. Feynman 4aThe Feynman Lectures on Physics Mainley Electromagnetism and Matter VOL. 2cby R. P. Feynman , R. B. Leighton  c0  aB  aR. B. Leighton