Tufisi, C. and Gillich , G.-R. (2018) “A NUMERICAL STUDY REGARDING THE INFLUENCE OF THE LONGITUDINAL EXTENT OF A T-SHAPED CRACK ON THE EIGENFREQUENCY DECREASE OF CANTILEVER BEAMS”, Journal of Engineering Studies and Research, 24(4), pp. 50-55. doi: 10.29081/jesr.v24i4.49.