000 00295nam a2200121 4500
008 160616s 000 0
245 _aIntroduction to abstract mathematical systems
100 _aBurton, David M
500 _aB25 K53
942 _cBK
_2BK5313
080 _a512 BUR
080 _a512 BUR
999 _c5313
_d5313