000 00274nam a22001097a 4500
008 150824b xxu||||| |||| 00| 0 eng d
020 _a0846575558
082 _a510 TRI
100 _aTRIO,MARIO.F.
245 _aA SURVEY OF MATHEMATICS
260 _aLONDON
_bONTARIO,DON.MILLS.
_c1975
999 _c634
_d634