1. PZL-130 Orlik Flight school program analysis for determiantion of flight spectrum severity, Report No. 134/31/2010, Air Force Institute of Technology, Warsaw, Poland
2. Technical documentation of the strain gauge instalaltion on PZL-130 Orlik TC-II trainer aircraft number 037, Report No. 89/31/2010, Air Force Institute of Technology, Warsaw, Poland
3. Kottkamp, E., Wilhelm, H., Kohl, D.: Strain gauge measurements on aircraft, NATO Advisory Group for Aerospace Research and Development. AGARDograph 7(160) (April 1976)
4. Skopionski, T.H., Aiken Jr., W.S., Huston, W.B.: Calibration of strain-gage installations in aircraft structures for the measurement of flight loads, NACA report nr 1178
5. Calibration of the strain gauges installed on PZL-130TC-II Orlik trainer aircraft number 037, Report No. 127/31/2010, Air Force Institute of Technology, Warsaw, Poland