Kroo, Ilan (January 19, 2006). "Engine Placement". AA241 Introduction to Aircraft Design: Synthesis and Analysis. Stanford University. Archived from the original on May 15, 2016. Retrieved February 12, 2012.
Kroo, Ilan (January 19, 2006). "Engine Placement". AA241 Introduction to Aircraft Design: Synthesis and Analysis. Stanford University. Archived from the original on May 15, 2016. Retrieved February 12, 2012.