Mrs. Ute Streubel has written an article called "Hand in Hand".

Markus Müller (Kornwestheim), Chen Tat Sze (Singapur), (Jan. 2009) in "QZ - Qualität und Zuverlässigkeit", pg. 21-26

Peter Löw, Roland Pabst, Dr. Erwin Petry, KUGLER MAAG CIE, (2008)  in "Auto 2008" by Sovereign Publications, pg. 143-144

Ute Streubel, Dr. Klaus Hörrmann, (Sonderausgabe, Heft 4 Okt. 2008) in "IT-Governance", pg. 1-8

Horst Degen-Hientz, Dr. Klaus Hoermann, Prof. Hans-Jürgen Kugler, (2007), in "Auto 2007" by Sovereign Publications, pg. 164-166

H. Degen-Hientz, M. Fäustle, Prof. K. Hörmann, (24. Juni 2005) in "Automobil-Elektronik", pg. 20/21