O.D. Mohammed, M. Rantatalo, J.O. Aidanpää, Dynamic modelling of a one-stage spur gear system and vibration-based tooth crack detection analysis, Mechanical Systems and Signal Processing, 54 (2015) 293-305.
 Z. Feng, M.J. Zuo, F. Chu, Application of regularization dimension to gear damage assessment, Mechanical Systems and Signal Processing, 24 (2010) 1081-1098.
 Z. Feng, M.J. Zuo, Fault diagnosis of planetary gearboxes via torsional vibration signal analysis, Mechanical Systems and Signal Processing, 36 (2013) 401-421.
 W. Bartelmus, Object and operation supported maintenance for mining equipment, Mining Science, 21 (2014) 7--21.
 W. Bartelmus, R. Zimroz, Vibration spectra characteristic frequencies for condition monitoring of mining machinery compound and complex gearboxes, Mining Science, 133 (2011) 17.
 M. Inalpolat, A. Kahraman, A theoretical and experimental investigation of modulation sidebands of planetary gear sets, Journal of sound and vibration, 323 (2009) 677-696.
 Z. Feng, M.J. Zuo, Vibration signal models for fault diagnosis of planetary gearboxes, Journal of Sound and Vibration, 331 (2012) 4919-4939.
 R. Patrick, A.l. Ferri, G. Vachtsevanos, Effect of planetary gear carrier-plate cracks on vibration spectrum, Journal of vibration and acoustics, 134 (2012).
 A. Parey, N. Tandon, Spur gear dynamic models including defects: A review, The Shock and Vibration Digest, 35 (2003) 465-478.
 W. Bartelmus, Supporting diagnostic inference by mathematical modelling from one-stage to planetary gearbox systems, Diagnostyka, 30 (2004) 31-38.
 Y. Lei, J. Lin, M.J. Zuo, Z. He, Condition monitoring and fault diagnosis of planetary gearboxes: A review, Measurement, 48 (2014) 292-305.
 H. Ma, J. Zeng, R. Feng, X.u. Pang, Q. Wang, B. Wen, Review on dynamics of cracked gear systems, Engineering Failure Analysis, 55 (2015) 224-245.
 A.S. Lee, J.W. Ha, D.-H. Choi, Coupled lateral and torsional vibration characteristics of a speed increasing geared rotor-bearing system, Journal of Sound and Vibration, 263 (2003) 725-742.
 M.l. Friswell, J.E. Mottershead, Finite element model updating in structural dynamics, Springer Science & Business Media, 2013.
 T. Marwala, Finite element model updating using computational intelligence techniques: applications to structural dynamics, Springer Science & Business Media, 2010.
 E. Simoen, G. De Roeck, G. Lombaert, Dealing with uncertainty in model updating for damage assessment: A review, Mechanical Systems and Signal Processing, 56 (2015) 123-149.
 A. Teughels, G. De Roeck, Damage detection and parameter identification by finite element model updating, Revue européenne de génie civil, 9 (2005) 109-158.
 J.E. Mottershead, M. Link, M.I. Friswell, The sensitivity method in finite element model updating: a tutorial, Mechanical systems and signal processing, 25 (2011) 2275-2296.
 J. Kennedy, R.C. Eberhart, Particle swarm optimizationProceedings of IEEE International Conference on Neural Networks, Perth, WA, Australia), Vol. 4, pp 1942–1948, IEEE Service Center, Piscataway, NJ, (1995).
 R. Poli, Analysis of the publications on the applications of particle swarm optimisation, Journal of Artificial Evolution and Applications, 2008 (2008).
 S.-W. Lin, K.-C. Ying, S.-C. Chen, Z.-J. Lee, Particle swarm optimization for parameter determination and feature selection of support vector machines, Expert systems with applications, 35 (2008) 1817-1824.
 Y. Ishida, T. Yamamoto, Linear and nonlinear rotordynamics, Wiley Online Library, 2012.
 Q. Han, J. Zhao, F. Chu, Dynamic analysis of a geared rotor system considering a slant crack on the shaft, Journal of Sound and Vibration, 331 (2012) 5803-5823.
 A. Esfandiari, F. Bakhtiari-Nejad, A. Rahai, Theoretical and experimental structural damage diagnosis method using natural frequencies through an improved sensitivity equation, International Journal of Mechanical Sciences, 70 (2013) 79-89.
 S. Hassiotis, G.D. Jeong, Identification of stiffness reductions using natural frequencies, Journal of engineering mechanics, 121 (1995) 1106-1113.