我使用的代码是这样的:
% INITIAL PACKAGES:
%Biber using IEEE style for proper UTF-8 support
\usepackage[backend=biber,style=ieee, sorting=none]{biblatex}
\bibliography{references.bib}
%END OF THE DOCUMENT:
\begingroup
\chapter{References}
\renewcommand{\bibfont}{footnotesize}
%Redefine References name
\defbibheading{multilevel}[References]
\SingleSpacing
\setlength{8pt}
\printbibliography[heading=multilevel]
\endgroup
但是,当我尝试添加参考文献时,在“\printbibliography[heading=multilevel]”行上,我收到一条警告,提示“输入行 318 上的参考书目为空”,并且没有出现任何参考文献。有人能帮我吗?谢谢!