000 00299nam a2200109Ia 4500
008 220510s1977 xx 000 0 und d
041 _aeng
082 _a330.658 DAV/MAN
100 _aDAVIES J.R. AND HUGHES S.
_9822785
245 _aManagerial economics
260 _aLONDON
_b MACDONALD & EVANS
_c1977
999 _c572188
_d572188