Jan P. Norbye
Richard Franz Ansdale
Harris Edward Dark
Ted Pipe
Nicholas Faith
Phillip R. Meng
Karl E. Ludvigsen
John B. Hege
Kenʼichi Yamamoto
Scott Corbett
Rotary Engine Symposium Detroit 1973.
Unknown Author
Jack K. Yamaguchi
Ulrich Ch. Knapp
Milorad R. Milić
Dieter Korp
David E. Cole
Phillip R Meng