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\bibitem{Janssens+vanEspen1988} {\textquotedblleft}\textit{A general-purpose interface between fortran and the low-level functions of the ibm-pc}{\textquotedblright}. Janssens K, van Espen P, Trends in analytical chemistry \textbf{7}, 128 (1988).   http://doi.org/10.1016/0165-9936(88)87009-2

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