@article{Arora02LogicalTopology,
 title = {{Logical topology design for linear and ring optical networks}},
 author = {Arora, Amrinder and Subramaniam, Suresh and Hyeong-Ah Choi},
 journal = {Selected Areas in Communications, IEEE Journal on},
 year = {2002},
 month = {January},
 volume = {20},
 issue = {1},
 pages = {62-74}
}