Fiber-optic vibration sensor for high-power electric machines. - Bojan Igrec; Marko Bosiljevac; Smiljko Rudan; Zvonimir Sipus; Dubravko Babic (MIPRO, 2015)

Negative-Inertia Converters: Devices Manifesting Negative Mass and Negative Moment of Inertia. - Josip Loncar; Bojan Igrec; Dubravko Babic (Symmetry, 2022)