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Additional Pictures 

 

Overlay 1 of the WG&L incotax (1981,82).

Overlay 2 of the WG&L incotax (1981,82).

Overlay 3 of the WG&L incotax (1981,82).


horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, November 20, 2013. No reprints without written permission.