Baums, A., M. Greitans, and U. Grunde. “Development of Asynchronous Data Processing System by Using General-Purpose Microprocessors”. Elektronika Ir Elektrotechnika, vol. 78, no. 6, July 2007, pp. 21-24, https://eejournal.ktu.lt/index.php/elt/article/view/10808.