Jocanović, M. T., Karanović, V. V., Ivanišević, A. V., & Knežević, D. M. (2013). Hydraulic hammer excavator failure due to solid particle contamination. Vojnotehnički Glasnik Military Technical Courier, 62(1), 112-129. https://doi.org/10.5937/vojtehg62-4676