000 00429cam a22001217a 4500
008 180718b1959 xxu||||| |||| 00| 0 eng d
082 _aT315x73 N213c
245 _aConcentration patterns in manufacturing
_cby National Industrial Conference Board
260 _aNew York
_bNational Industrial Conference Board
_c1959
300 _a128p.
650 _aManufacturing industries --United States
650 _aBig business --United States
999 _c480826
_d480826