Teng, L.C. A 3 TeV on 3 TeV proton-proton dedicated collider for Fermilab, report, March 30, 1988; (https://digital.library.unt.edu/ark:/67531/metadc1065427/m1/1/: accessed December 9, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .