1. Studies on the cutting of rock by rotary cutters—Part 1. Rock cutting by disc cutters;Takaoka;Tunnels & Tunnelling,1973
2. Tunnel boring technology—disk cutter experiments in sedimentary and metamorphic rocks;Morrell,1970
3. Tunnel boring technology—disk cutter experiments in metamorphic and igneous rocks;Morrell,1974
4. Mechanical tunnel boring prediction and machine design;Ozdemir,1973
5. Tunneling machine research—interaction between disk-cutter grooves in rocks;Parviz;USBM RI 7881,1974