Christos Nomikos Aris Pagourtzis Katerina Potika Stathis Zachos Fiber Cost Reduction and Wavelength Minimization in Multifiber WDM Networks. 150-161 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3042&spage=150 2004 conf/networking/2004 NETWORKING db/conf/networking/networking2004.html#NomikosPPZ04