United States Sources (including some international):
Conference Proceedings

Jean Sansobrino, PACCAR Inc and Jocelyne Blanchard, Transportation Association of Canada, compilers

Society of Automotive Engineers. International Truck and Bus Meeting and Exposition. Proceedings. Warrendale, PA: SAE.

Collection of papers presented at their annual meeting. There are other SAE conferences directed to specific specialties as well. See SAE web site for further information. http://www.sae.org