Protection cycles in mesh WDM networks. - Georgios Ellinas; Aklilu Gebreyesus Hailemariam; Thomas E. Stern (IEEE J. Sel. Areas Commun., 2000)

Planar-Subgraph and Eulerian-Based Techniques for Determining Protection Ring Covers in Mesh Optical Networks. - Georgios Ellinas; Aklilu Gebreyesus Hailemariam (JOCN, 2009)