Κεφάλαια σε Ειδικούς Τόμους

•   D1 “Hydrodynamic flows versus geodesic motions in contemporary Astrophysics and Cosmology”, N. K. Spyrou and K. Kleidis, in “New Developments in Hydrodynamics Research”, J. Ibragimov & M. A. Anisimov (eds.), Nova Science Publishers Inc. ISBN 978-1-62081-223-5,  pp. 113 – 158 (2012).