000 00278nam a2200121 4500
008 160616s 000 0
245 _aUnified string theories
100 _aGreen, M
100 _aGross, D, Ed.
500 _aC9B4 M6
942 _cBK
_2BK1809
_01
080 _a539.12 GRE
999 _c1809
_d1809