1. Rodgers C. Analytical experimental and mechanical evaluation of free rotating vaneless diffuser, Final report, ER 2391, AD 744475; 1972.
2. Experiments with a model free rotating vaneless diffuser;Rodgers;ASME Journal of Engineering for Power,1975
3. Fradin C. The effect of the rotational speed of a vaneless diffuser on the performance of a centrifugal compressor, European space agency, Paris, Report no: ESA-TT-202 ONERA-NT-218; 1975.
4. Govardhan M, Moorthy BSN, Gopalakrishnan G, 1978. A preliminary report on the rotating vaneless diffuser for a centrifugal impeller, Proceedings of the first international conference on centrifugal compressor technology, Indian Institute of Technology Madras, Chennai, India.
5. Effect of forced rotating vaneless diffusers on centrifugal compressor stage performance;Govardhan;Journal of Engineering Science and Technology,2011