R. Langdon, Resonator sensors-a review, Journal of Physics E: Scientific Instruments, 18(2) (1985) 103.
 J. Ratajski, Force-frequency coefficient of singly rotated vibrating quartz crystals, IBM Journal of Research and Development, 12(1) (1968) 92-99.
 D.L. Hammond, A. Benjaminson, The crystal resonator-a digital transducer, IEEE spectrum, 6(4) (1969) 53-58.
 E. EerNisse, J. Paros, Practical considerations for miniature quartz resonator force transducers, QUARTEX INC SALT LAKE CITY UT, 1983.
 R.G. Kirman, R.M. Langdon, Force sensors, in, Google Patents, 1986.
 Y. Amand, J.-P. Peghaire, Vibrating beam forcefrequency transducer, in, Google Patents, 1996.
 C. Gehin, C. Barthod, Y. Teisseyre, Design and characterisation of a new force resonant sensor, Sensors and Actuators A: Physical, 84(1-2) (2000) 65-69.
 J.P. Corbett, Oscillating crystal force transducer system, in, Google Patents, 1970.
 B. Dulmet, R. Bourquin, N. Shibanova, Frequencyoutput force sensor using a multimode doubly rotated quartz resonator, Sensors and Actuators A: Physical, 48(2) (1995) 109-116.
 Z. Wang, H. Zhu, Y. Dong, G. Feng, Off-centre loadinsensitive digital quartz resonator force sensor, IEE Proceedings-Science, Measurement and Technology, 148(5) (2001) 215-220.
 Z. Wang, H. Zhu, Y. Dong, G. Feng, A thicknessshear quartz resonator force sensor with dual-mode temperature compensation, IEEE sensors journal, 3(4) (2003) 490-496.
 A. Asakura, T. Fukuda, F. Arai, Design, fabrication and characterization of compact force sensor using ATcut quartz crystal resonators, in: Intelligent Robots and Systems, 2008. IROS 2008. IEEE/RSJ International Conference on, IEEE, 2008, pp. 506-511.
 Y. Murozaki, F. Arai, Wide range load sensor using quartz crystal resonator for detection of biological signals, IEEE Sensors journal, 15(3) (2015) 19131919.
 Y. Murozaki, S. Sakuma, F. Arai, Improvement of the Measurement Range and Temperature Characteristics of a Load Sensor Using a Quartz Crystal Resonator with All Crystal Layer Components, Sensors, 17(5) (2017) 1067.
 T.T. Pham, H. Zhang, S. Yenuganti, S. Kaluvan, J.A. Kosinski, Design, Modeling, and Experiment of a Piezoelectric Pressure Sensor Based on a Thickness-Shear-Mode Crystal Resonator, IEEE Transactions on Industrial Electronics, 64(11) (2017) 8484-8491.
 F. Chen, J. Gao, W. Tian, Force-frequency characteristics of multi-electrode quartz crystal resonator cluster, Sensors and Actuators A: Physical, 269 (2018) 427-434.
 M. Mohammadi, H. Daneshpajooh, M. Hamedi, Effect of anisotropy and piezoelectricity on the forcefrequency coefficient of AT-cut quartz crystals, Scientia Iranica. Transaction B, Mechanical Engineering, 23(5) (2016) 2203.
 C.R. Dauwalter, The temperature dependence of the force sensitivity of AT-cut quartz crystals, in: 26th Annual Symposium on Frequency Control. 1972, IEEE, 1972, pp. 108-112.
 P. Lee, Y. Wang, X. Markenscoff, High− frequency vibrations of crystal plates under initial stresses, The Journal of the Acoustical Society of America, 57(1) (1975) 95-105.
 M. Mohammadi, M. Hamedi, H. Daneshpajooh, High-frequency vibrations of quartz crystals subject to initial thermo-mechanical bias, Scientia Iranica. Transaction B, Mechanical Engineering, 24(2 ((2017 (684-697.
 H. Zhang, J.A. Turner, J. Yang, J.A. Kosinski, Force–frequency effect of thickness mode langasite resonators, Ultrasonics, 50(4-5) (2010) 479-490.
 M.S. Patel, Nonlinear behavior in quartz resonators and its stability, Rutgers University-Graduate SchoolNew Brunswick, 2008.
 E.P. Eernisse, Temperature dependence of the force frequency effect for the AT-, FC-, SC-, and rotated X-cuts, in: 34th Annual Symposium on Frequency Control. 1980, IEEE, 1980, pp. 426-430.