Sun, He Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Link (Any fulltext)
Kao, M.-Y., Leung, H. C. M., Sun, H., & Zhang, Y. (2013). Deterministic Polynomial-time Algorithms for Designing short DNA Words. Theoretical Computer Science, 494, 144-160. doi:10.1016/j.tcs.2012.12.030.