| [1] Nadia Bedjaoui and Erik Weyer  (2011), doi:10.1016/j.conengprac.2010.06.008 | 
| [2] YongLiang Zhang and K. Vairavamoorthy  (2005), doi:10.1002/nme.1306 | 
| [3] G. Lappus and G. Schmidt  (1987), doi:10.1016/B978-0-08-034922-0.50016-9 | 
| [4] K. Suwan and A. Anderson  (1992), doi:10.1002/nme.1620330709 | 
| [5] L. Billmann and R. Isermann  (1987), doi:10.1016/0005-1098(87)90011-2 | 
| [6] Øyvin Skarstein  (1988), doi:10.4173/mic.1988.3.4 | 
| [7] M.B. Beck  (1981), doi:10.1016/0043-1354(81)90004-X | 
| [8] A. Benkherouf and A.Y. Allidina  (1987), doi:10.1016/B978-0-08-034083-8.50038-7 | 
| [9] Flor Renteria, Cristina Verde and Lizeth Torres  (2016), doi:10.1109/SYSTOL.2016.7739786 | 
| [10] Zdzis aw Kowalczuk and Keerthi Gunawickrama  (2000), doi:10.1016/S1474-6670(17)37479-7 | 
| [11] A. Benkherouf and A.Y. Allidina  (1986), doi:10.1016/S1474-6670(17)59748-7 | 
| [12] L. Billmann and R. Isermann  (1984), doi:10.1016/S1474-6670(17)61238-2 | 
| [13] R. Isermann  (1982), doi:10.1016/S1474-6670(17)62959-8 | 
| [14] K. Suwan and A. Anderson  (1991), doi:10.1177/014233129101300203 | 
| [15] Javier Jimenez-Cabas, Lizeth Torres, Francisco Ronay Lopez-Estrada and Marco Sanjuan  (2017), doi:10.1109/CCAC.2017.8276416 | 
| [16] G. Lappus and G. Schmidt  (1990), doi:10.1007/978-94-009-0609-9_12 | 
| [17] Gerhard Lappus  (1987), doi:10.1007/978-94-009-3931-8_14 | 
| [18] Lizeth Torres, Javier Jiménez-Cabas, Omar González, Lázaro Molina and Francisco-Ronay López-Estrada  (2020), doi:10.3390/jmse8030173 | 
| [19] Hermann Kreitner and Hans Schuler  (1988), doi:10.1002/cite.330600808 | 
| [20] Jie Wang, Yue Zhu, Songyu Zou, Shuai Xue, Le Chen, Weilong Hou, Shengwei Xin, Jinglan Li and Zhongyan Liu  (2024), doi:10.3390/pr12122710 | 
| [21] Italo Aranda-Cetraro and Gustavo Perez-Zuniga  (2025), doi:10.1109/TCST.2025.3537820 |