[1. J. Pietruszka “Full-Scale Fatigue Tests of PZL M28 05 SKYTRUCK Aircraft”. Transactions of Institute of Aviation, 1/2009 (196). Warszawa, 2009.]Search in Google Scholar
[2. L. Pieróg “Evaluation of PZL M28 05 Airplane Service Life”. Ref. no.: DRG/O/W/24/11. PZL internal report. Mielec, 2011.]Search in Google Scholar
[3. “Fatigue, Fail-Safe, and Damage Tolerance Evaluation of Metallic Structure for Normal, Utility, Acrobatic, and Commuter Category Airplanes”. AC 23-13A. FAA. September 29, 2005.]Search in Google Scholar