000 00293nam a2200121 4500
008 160616s 000 0
245 _aGrand unified theories
100 _aRoss, Graham G
440 _aFrontiers in physics, 60
500 _aC9B4 M53
942 _cBK
_2BK8392
080 _a539.12 ROSS
999 _c8392
_d8392