2Marcos Paulo Aires de Sousa, Manoel Ribeiro Filho. Maintenance and operation of a hydroelectric unit of energy in a power system using virtual reality [ J ]. Electrical Power and Energy Systems ,2009,11 : 1 - 8.
3Abate A F, Guida M, Leoncini P. A haptic-based approach to virtual training for aerospace industry [ J ]. Journal of Visual Languages and Computing,2009,20:318 - 325.
4Ben Elzendoorna, Marco de Baara, Rene Chavanb. Analysis of the ITER ECH upper port launcher remote maintenance using virtual reality[ J]. Fusion Engineering and Design ,2009,84:733 - 735.
