@misc{misc, title = {{Viability of f(R) Theories with Additional Powers of Curvature}}, url = {{}}, year = {{2006}}, month = {{8}}, author = {{Brookfield AW and van de Bruck C and Hall LMH}}, doi = {{10.48550/arxiv.hep-th/0608015}}, note = {{Accessed on 2024/12/22}}}