00342nam a2200121Ia 4500008004100000041001200041082001100053100001800064245010700082260000600189650000600195700001900201221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. P. Feynman 4aThe Feynaman Lectures on Physics Mainly Mechanics Radition and Heatcby R. P. Feynman , R. B. Leighton  c0  aB  aR. B. Leighton