%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{vanRoy_etal1995} {\textquotedblleft}\textit{Assessment of local analysis by Fourier transform laser microprobe mass spectrometry with external ion source}{\textquotedblright}. van Roy W, Struyf H, Kennis P, Van Vaeck L, Van Grieken R, Andrle C, Microchimica acta \textbf{120}, 121 (1995).   http://doi.org/10.1007/BF01244426

\end{thebibliography}

\end{document}

