See Blau F and Kahn L (1997), "Swimming Upstream: Trends in the Gender Wage Differential in the 1980s", Journal of Labor Economics, Vol. 15, No. 1, Part 1 (Jan., 1997), pp. 1-42 ]
Skatīt Blau F. un Kahn L. (1997), "Swimming Upstream: Trends in the Gender Wage Differential in the 1980s", Journal of Labor Economics" ("Dzimumu darba samaksas atšķirības tendences 1980. gados")15. sējums, Nr. 1, 1. daļa (1997. gada janvāris), 1.-42. lpp.