LaTeX Forum

\begin{filecontents}{\Literatur.bib}
@article{Peng2013,
title = {Micro-structure and surface layer properties of 18CrNiMo7-6 steel after multistep shot peening},
journal = {Materials and Design},
volume = {51},
pages = {309-314},
year = {2013},
issn = {0261-3069},
doi = {https://doi.org/10.1016/j.matdes.2013.04.011},
url = {https://www.sciencedirect.com/science/article/pii/S0261306913003269},
author = {Peng, F. and Ke, Z. and Chuanhai, J.},
}

@article{Denkena2018,
title = {Correlation between process load and deep rolling induced residual stress profiles},
journal = {Procedia CIRP},
volume = {78},
pages = {161-165},
year = {2018},
note = {6th CIRP Global Web Conference – Envisaging the future manufacturing, design, technologies and systems in innovation era (CIRPe 2018)},
author = {B. Denkena and T. Grove and B. Breidenstein and A. Abrão and K. Meyer},
}
\end{filecontents}

\documentclass[ngerman, listof=totoc, paper=a4, bibliography=numbered, fontsize=12pt]{scrreprt} %scrreprt=KomaSkriptklasse
\usepackage[top=2cm,bottom=2.5cm,left=3cm, right=3cm]{geometry}
\usepackage{babel} %deutsch
\usepackage[T1]{fontenc} %Sonderzeichen

\usepackage{mathptmx} %Times
\setkomafont{disposition}{\normalfont\bfseries} %Überschriften auch in Times
\usepackage{csquotes}
\usepackage{microtype} %wegen over/underfull box
\usepackage{amsmath,amssymb,amstext,amsfonts,amsthm} %Matheformeln & Zeichen
\usepackage{textgreek}
\usepackage{graphicx}
\usepackage{overpic}
\usepackage[version=3]{mhchem} %chemische Formeln
\usepackage{subfigure}
\usepackage[onehalfspacing]{setspace}
\usepackage[export]{adjustbox}
\usepackage{caption}
\usepackage{makecell}
\usepackage{multirow}
\usepackage[table,xdraw]{xcolor}
\usepackage{siunitx} %fürphysikalischeEinheiten
\sisetup{locale = DE}
\usepackage{acronym}
\usepackage{float}
\usepackage{scrhack}
\usepackage{hyperref}

\usepackage[backend=biber, style=alphabetic, maxbibnames=99, maxcitenames=1]{biblatex}
\renewcommand*{\labelalphaothers}{} % alpha label ohne +
\addbibresource{Literatur.bib}

\begin{document}
\cite{Denkena2018}
\cite{Peng2013}
\printbibliography
\end{document}

\documentclass[ngerman, listof=totoc, paper=a4, bibliography=numbered]{scrreprt} 
\usepackage[top=2cm,bottom=2.5cm,left=3cm, right=3cm]{geometry}
\usepackage{babel} 
\usepackage[T1]{fontenc} 
\usepackage{mathptmx} %Times
\setkomafont{disposition}{\normalfont\bfseries} 
\usepackage{csquotes}
\usepackage{microtype} 
\usepackage{amsmath,amssymb,amstext,amsfonts,amsthm} 
\usepackage{textgreek}
\usepackage{graphicx}
\usepackage{overpic}
\usepackage[version=3]{mhchem} 
\usepackage{subfigure}
\usepackage{float}
\usepackage{here} 
\usepackage[onehalfspacing]{setspace}
\usepackage[export]{adjustbox}
\usepackage{caption}
\usepackage{makecell}
\usepackage{multirow}
\usepackage[table,xdraw]{xcolor}
\usepackage{siunitx} 
\sisetup{locale = DE}
\usepackage{hyperref}
\usepackage{acronym}
\usepackage[backend=biber, style=alphabetic, maxbibnames=99, maxcitenames=1]{biblatex}
\renewcommand*{\labelalphaothers}{} % alpha label ohne +
\addbibresource{Literatur160123.tex}

\begin{document}
\cite{xyz}
\chapter{Einleitung}

\chapter{Hauptteil}

\chapter{Fazit}

\printbibliography

\end{document}