| Improving Line-Based QCA Memory Cell Design Through Dual Phase Clocking Recent countries visiting this post |  |
 | 3 | United States |
 | 1 | Russian Federation |
 | 1 | Japan |
| Improving Line-Based QCA Memory Cell Design Through Dual Phase Clocking Recent countries visiting this post | |
| 3 | United States |
| 1 | Russian Federation |
| 1 | Japan |