@article{article, title = {{Constraints on nonconformal couplings from the properties of the cosmic microwave background radiation.}}, url = {{}}, year = {{2013}}, month = {{10}}, author = {{van de Bruck C and Morrice J and Vu S}}, doi = {{10.1103/PhysRevLett.111.161302}}, volume = {{111}}, journal = {{Phys Rev Lett}}, issue = {{16}}, pages = {{161302}}, note = {{Accessed on 2024/12/22}}}