000 00324nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a435686577
082 _a530.076NEL
100 _aNelkon M.
245 0 _aGraded exercises and worked examples in phusics
260 _bHeinemann Educational books
_c1952
942 _cBK
999 _c437120
_d437120