?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Pham%2C+Minh+Trien&rft.aulast=Pham&rft.aufirst=Minh+Trien&rft.issue=2&rft.volume=48&rft.date=1+February+2012&rft.atitle=Multi-Guider+and+Cross-Searching+Approach+in+Multi-Objective+Particle+Swarm+Optimization+for+Electromagnetic+Problems&rft.title=IEEE+Transactions+on+Magnetics&rft.pages=539+-542&rft.genre=article