First Author:   Tin-chun Lin Indiana University - Northwest tinlin@iun.edu   3400 Broadway Gary, 46408, USA   219-980-6634(Phone) 219-980-6634(Fax) Second Author: Subir Bandyopadhyay Indiana University - Northwest sbandyop@iun.edu   Gary, 46408, USA   219-980-6900(Phone) 219-980-6916(Fax)