000 00422nam a22001697a 4500
015 _a5375
080 _a517.1
_bHEG
100 _aHegarty, J.
245 _aCalculus for the management and social sciences
260 _aAllyn & bacon, INC
_bBoston
_c1980
300 _a496p.
_bfig.
852 _a1L 2-1
999 _c1404
_d1404