%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Szaloki_etal2001} {\textquotedblleft}\textit{Optimization of experimental conditions of thin-window EPMA for ligh-element analysis of individual environmental particles}{\textquotedblright}. Szal{\'o}ki I, Os{\'a}n J, Worobiec A, de Hoog J, Van Grieken R, X-ray spectrometry \textbf{30}, 143 (2001).   http://doi.org/10.1002/XRS.473.ABS

\end{thebibliography}

\end{document}

