Jeong-Hoon Oh, Kyung-Chang Ryoo, Jong Pil Kim, Jae Young Song, Kyung Seok Oh, Hyungcheol Shin, and Byung-Gook Park, “An Access-Transistor or Diode-Free (0T or 0D/2R) Resistance Random Access Memory (RRAM) Using a Novel Access and Switching Mechanism”, 2009 Silicon Nanoelectronics Workshop, Kyoto, Japan, pp. 65-66, June 13-14, 2009