000			00297nam a2200133Ia 4500
020			_a0393966410
082			_a330 _bMAN
100			_aMansfield _91592
245			_aEconamics U$A _cEdwin Mansfield
250			_a14th
260			_aLondon _bw.w.Norton and Company _c1995
300			_a645
942			_cBK
999			_c8810 _d8810