1. Study on Edge Fracture of Abrasive Grain during Grinding with Apply the Theory of Markov Process (1st Report);Usui;Bull. Japan Soc. Prec. Eng.,1988
2. Study on Edge Fracture of Abrasive Grain during Grinding with Apply the Theory of Markov Process (2nd Report);Usui;Int. J. Japan Soc. Prec. Eng.,1994