000 00279nam a2200121 4500
008 160616s 000 0
245 _aTheoretical analysis
100 _aHeider, Lester J
100 _aSimpson, James E
500 _aB3 K71
942 _cBK
_2BK1262
080 _a517 HEI
999 _c1262
_d1262