EGLYNAS, T.; SENULIS, A.; BOGDEVIČIUS, M.; ANDZIULIS, A.; JUSIS, M. Modeling and simulation of quay crane control system for PID controller optimal parameters determination. Mokslas – Lietuvos ateitis / Science – Future of Lithuania, v. 8, n. 5, p. 540-547, 30 Dec. 2016.