00419nam a2200133Ia 450000500170000000800410001702000150005805000250007310000220009824500860012025000130020626000280021965000380024720251229184457.0251229s9999    xx            000 0 und d  a0195040384  aHC102.5.A2H84 1986    aHughes, Jonathan. 4aThe vital fewb the enterpreneur and American  economic progresscJonathan Hughes  aEXPAndED  aOxford Univ.Pressb1986  aUnited States-Economic Conditions