RAMEZANPOUR, Reza; GHAYOUR, Mostafa a ZIAEI-RAD, Saeed. Dynamic behavior of Jeffcott rotors with an arbitrary slant crack orientation on the shaft. University of West Bohemia, 2012. Dostupné také z: http://www.kme.zcu.cz/acm/index.php/acm/article/view/157/158.