José M. Gutiérrez López Tahir M. Riaz Ole Brun Madsen Mathieu David Jens Myrup Pedersen A Methodology for Physical Interconnection Decisions of Next Generation Transport Networks. 55-83 2011 12 J. Interconnect. Networks 1-2 https://doi.org/10.1142/S0219265911002848 db/journals/join/join12.html#GutierrezRMDP11