"Introduction to Dynamics of Rotor-Bearing Systems" by W. J. Chen, Ph.D. & E. J. Gunter, Ph.D., Fellows ASME. ISBN 1-4120-5190-8; 469 pages;
"Practical Rotordynamics and Fluid Film Bearing Design" bBy W. J. Chen, Ph.D., P.E., Fellow ASME. ISBN 978-1490762296; 599 pages;