A Linear Time Algorithm for Quantum 2-SAT
N. de Beaudrap, S. Gharibian, in: R. Raz (Ed.), Proceedings of the 31st Conference on Computational Complexity (CCC 2016), Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Dagstuhl, Germany, 2016, p. 27:1–17:21.

Modeling of Piezoelectric Langevin Transducers by Using Mixed Transfer Matrix Methods
B. Fu, C. Li, J. Zhang, Z. Huang, T. Hemsel, Journal of Korean Physical Society 57 (2010) 929.