00341nam a2200121Ia 4500008004100000041001200041082001100053100001800064245010600082260000600188650000600194700001900200221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. P. Feynman 4aThe Feynman Lectures on Physics Mainly Mechanics Radition and Heatcby R. P. Feynman , R. B. Leighton  c0  aB  aR. B. Leighton