1. Design and simulation of 4-bit up-down counter using QCA;Singh,2020
2. QCA 4-bit parallel adder;Lombardi,2005
3. Design and simulation of 8-bit up-down counter using quantum-dot cellular automata;Gupta,2016
4. Design and simulation of a 4-bit up-down counter using QCA technology;Sahu,2021
5. Implementation of Parity Generator and Checker using Quantum-Dot Cellular Automata