1. Andersson, J., Giechaskiel, B., Munoz-Bueno, R., Sandbach, E., & Dilara, P. (2007). Final Report: Particule measurement programme (PMP) light-duty inter-laboratory correlation exercise (ILCE_LD). Institute for Environment and Sustainability.
2. Bushkuhl, J., Silvis, W., Szente, J., & Maricq, M. M. (2013). A new approach for very low particulate mass emissions measurement. SAE Technical Papers, 6, 1152–1162 〈http://dx.doi.org/10.4271/2013-01-1557〉.
3. CARB (2012). Staff report: LEV III PM, technical support document- development of particulate matter mass standard for future light-duty vehicles.
4. CFR (2011). Code of Federal Regulations, 40 Parts, PART 1065—ENGINE-TESTING PROCEDURES. Available at: 〈http://www.ecfr.gov/cgi-bin/text-idx?Tpl=/ecfrbrowse/Title40/40cfr1065_main_02.tpl〉.
5. CFR (2012). Code of Federal Regulations, 40 Parts, PART 1066—VEHICLE-TESTING PROCEDURES. Available at: 〈http://www.ecfr.gov/cgi-bin/text-idx?Tpl=/ecfrbrowse/Title40/40cfr1066_main_02.tpl〉.