1. W. Yayi and R.L. Brainard. Advanced Processes for 193-nm Immersion Lithography. SPIE Press Bellingham, WA, (2009), pp.215-218.
2. M. Carver and L. Conway. Introduction to VLSI Systems (Addison-Wesley, Reading, MA, 1980), pp.91-111.
3. Geometric intersection problems