000 00273nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSavelyev (I V)
245 0 _aPhysics: A general Course V.2
260 _bMir Pule
260 _c1980
365 _b41.5
942 _cBK
999 _c209167
_d209167