000 00436nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a721616933
084 _a510 B12
100 _a"Bello, Ignacio"
245 0 _aContemporary Business Mathematics
250 _a\\197500ENGGPSX
260 _aW B Saunders
260 _b1975
260 _cLondon
300 _axv+572p
500 _aincludes index and biblioraphy
942 _cBK
999 _c27744
_d27744