Krechowicz, Maria, Wacław Gierulski, Stephen Loneragan, and Henk Kruse. “External Risk Factors Evaluation in Horizontal Directional Drilling Technology Using Failure Mode and Effect Analysis”. Management and Production Engineering Review 13, no. 1 (March 30, 2022): 76–88. Accessed September 20, 2026. https://wydawnictwo.pan.pl/index.php/mper/article/view/5459.