@incollection{Smith11,
author = {Ahmet M. Öztaş and Michael L. Smith},
title = {A Polytropic Solution of the Expanding Universe – Constraining Relativistic and Non-Relativistic Matter Densities Using Astronomical Results},
booktitle = {Aspects of Today's Cosmology},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Antonio Alfonso-Faus},
chapter = {15},
doi = {10.5772/24774},
url = {https://doi.org/10.5772/24774}
}