8Bagchi-Sen.S.and B.W.Pigozzi.Occupational and industrial diversification in the United States:Implications of the new spa-tial division of Iabor.Professional Geographer,1993,45.
9Sharmistha Bagchi-Sen."Structural determinants of occupational shifts for males and females in the U.S.labor market".Profes-sional Geographer,1995,47.
