000 00270nam a2200121 4500
008 160616s 000 0
245 _aSidon sets
100 _aLopez, Jorge M
100 _aRoss, Kenneth A
500 _aB31 L51
942 _cBK
_2BK4619
080 _a510.21 LOP
999 _c4619
_d4619