BIBCYT http://bibcyt.ucla.edu.ve/cgi-win/be_alex.exe?Ultimo&Nombrebd=BIBCYT UCLA - Biblioteca de Ciencias y Tecnologia Felix Morales Bueno Hedayat, A.S. P Principal Pesotan, H. P Principal Tools for constructing optimal two-level factorial designs for a linear model containing main effects and one two-factor interaction p1452-1463, 12p