BibTex format
@article{Stelle:2017:10.1142/S0217751X17410123,
author = {Stelle, KS},
doi = {10.1142/S0217751X17410123},
journal = {International Journal of Modern Physics A},
title = {Abdus Salam and quadratic curvature gravity: classical solutions},
url = {http://dx.doi.org/10.1142/S0217751X17410123},
volume = {32},
year = {2017}
}