@incollection{Olmo11, author = {Gonzalo J. Olmo}, title = {Introduction to Modified Gravity: From the Cosmic Speedup Problem to Quantum Gravity Phenomenology}, booktitle = {Aspects of Today's Cosmology}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {Antonio Alfonso-Faus}, chapter = {3}, doi = {10.5772/25094}, url = {https://doi.org/10.5772/25094} }