Bezvesilnaya, E.N. and Tkachuk, A.H. 2014. RETRACTED ARTICLE: Corrected gyrocompass synthesis as a system with changeable structure for aviation gravimetric system with piezoelectric gravimeter. Aviation. 18, 3 (Oct. 2014), 134-140. DOI:https://doi.org/10.3846/16487788.2014.969878.