000 00290nam a22001097a 4500
082 _a519 OBR/M
100 _aO'Brien, R. J.
245 _aMathematics for economists and social scientists
_cby R. J. O'Brien
260 _a. - London
_b: McMillan
_c,1972
300 _axv+369pages
942 _cBK
999 _c667329
_d667329