Wei Chen 0001 Wei Hua Hujun Bao Qunsheng Peng Real-Time Ray Casting Rendering of Volume Clipping in Medical Visualization. 804-814 2003 18 J. Comput. Sci. Technol. 6 http://dx.doi.org/10.1007/BF02945470 db/journals/jcst/jcst18.html#ChenHBP03