Planar graphs, Hamilton cycles and extreme independence number. - Samuel Jurkiewicz (Ann. Oper. Res., 1994)

Independent Production of Non Hamiltonian Graphs. - Samuel Jurkiewicz; Kelly Elaine Fonseca Freitas; Daniela Fuchs Salomão (Electron. Notes Discret. Math., 2002)

The Fifth and Sixth Coefficients of the Characteristic Polynomial of a Graph. - Patricia Erthal de Moraes; Nair Maria Maia de Abreu; Samuel Jurkiewicz (Electron. Notes Discret. Math., 2002)