Michal Gęca, Miroslaw Wendeker, Grzegorz Litak (2012). Combustion variability and uniqueness in cylinders of a large power radial engine. Journal of vibroengineering. June 2012. Volume 14, Issue 2. ISSN 1392-8716 pdf
plienosparnai.lt
Gintautas Kačergius (2018). „Lituanikos“ skrydis. Belanka virsta Lituanika. plienosparnai.lt