@article{Nielsen1997,
author = {Nielsen, F. and Alderson, A.S.},
title= {The Kuznets curve and the great U-turn: Income inequality in the US counties, 1970 to 1990},
year = {1997},
doi = {10.2307/2657450},
journal = {American Sociological Review},
volume = {62},
number = {1},
pages = {12--33},
}