000 00308nam a2200121 4500
008 160616s 000 0
245 _aElementary particles and symmetries
100 _aRyder, lewis
440 _aDocument on modern physics
500 _aC9B4:411 L5
942 _cBK
_2BK7146
080 _a539.12 RYD
999 _c7146
_d7146