Any good references to the aerodynamics of cars & how to compare the aerodynamics of different models of cars?

public.cranfield.ac.uk/me/me028/courses/…





engineering.union.edu/~andersoa/mer331…





www.hanleyinnovations.com/sprintwing.p…





www.iet.auc.dk/education/face_projekte…





eprints.soton.ac.uk/48823/01/Internal_…








engineering.union.edu/~andersoa/mer331…