?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Guta&rft.aufirst=G.&rft.au=Guta%2C+G.&rft.degree=Masters&rft.title=Implementation+of+Orthogonal+Array+technique+in+order+to+initialize+the+PSO+opimization+of+a+planar+Sierpinski+Gasket+multi-band+antenna&rft.date=2012&rft.inst=University+of+Trento