\documentclass[a4paper]{article}
\usepackage[a4paper, total={20cm, 27cm}]{geometry}
\pagestyle{empty}
\usepackage[utf8]{inputenc}
\usepackage{hyperref}
\usepackage[
%backend=biber,
backend=bibtex,
%style=ieee,
style=reading,
sorting=ydnt,
defernumbers=true
]{biblatex}
\addbibresource{../../../../golem}
\title{The GOLEM tokamak bibliography}
\author{The tokamak GOLEM team}
\date{SGS 2024 relevant}
\begin{document}
\maketitle
\nocite{*}
%\bibliographystyle{abstract}
%\bibliographystyle{unsrt}
%\bibliographystyle{apalike}
%\bibliography{/GW/root/bibtex/golem,/GW/root/bibtex/others}
\defbibcheck{late}{
\iffieldint{year}
{\ifnumless{\thefield{year}}{2024}
{\skipentry}
{}}
{\skipentry}
}
\printbibliography[check=late,type=article,keyword=in,title={Official GOLEM Articles}]
\printbibliography[check=late,type=inproceedings,title={Conference proceedings}]
\printbibliography[check=late,keyword=mathesis,title={Master thesis}]
\printbibliography[check=late,keyword=bachproj,title={Bachelor projects}]
\printbibliography[check=late,keyword=soc,title={High School Students` Professional Activities}]
\end{document}
