Ioannou, E. , Nucara, P. , Pullen, K.. "Lightweight High-Pressure Ratio Centrifugal Compressor for Vehicles-Investigation of Pipe Diffuser Designs by Means of CFD". World Academy of Science, Engineering and Technology, Open Science Index 110, International Journal of Mechanical and Mechatronics Engineering (2016), 10(2), 403 - 408.