000 00303nam a2200121 4500
082 _a338.09
_bUTT
100 _aUtton ,M A
245 _aIndustrial concentration
_cM A Utton
260 _aHarmondsworth
_bPenguin
_cc1970
300 _a131p.;18cm.
490 _aPenguin modern economics text
942 _2ddc
999 _c29792
_d29792