在參考書目中將作者姓名加粗？

Question

我希望作者和年份參考書目加粗，第二行縮排。請指導我。

\documentclass[a4paper]{book}

\begin{document}
text \cite{1} \cite{1}


\bibliographystyle{plain} 
\bibliography{reference}
\end{document}

參考：

[![@book{1,
title={Vibrations of soils and foundations},
author={E Richart, F},
year={1970},
publisher={Printed in the United States of America}
}
@article{5,
title={On the partition of energy between elastic waves in a semi-infinite solid},
author={Miller, GF and Pursey, H and Bullard, Edward Crisp},
journal={Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences},
volume={233},
number={1192},
pages={55--69},
year={1955},
publisher={The Royal Society London}
}