000 00422 a2200145 4500
020 _a0333190823
090 _c4425
_d4425
100 _aHannah, Leslie
245 _aConcentration in modern industry: theory, measurement and the U.K. experience
260 _aLondon:
_bMacmillan
_c1977
300 _axiv, 144p.
650 _aIndustrial organisation economic theory
700 _aKay, J. A.
942 _cBK
_kHD2326 .H36x 1977
999 _c4425
_d4425