\section{Code Distribution\label{sec:distribution}} \markboth{\textsc{MLD2P4 User's and Reference Guide}} {\textsc{\ref{sec:distribution} Code Distribution}} \noindent MLD2P4 is available from the web site \begin{quotation} \texttt{https://github.com/sfilippone/mld2p4-2} \end{quotation} where contact points for further information can be also found. The software is available under a modified BSD license, as specified in Appendix~\ref{sec:license}; please note that some of the optional third party libraries may be licensed under a different and more stringent license, most notably the GPL, and this should be taken into account when treating derived works. The library defines a version string with the constant \[ \verb|mld_version_string_|\] whose current value is \verb|2.1.0|. \subsection*{Contributors} Contributors to version 2: \begin{itemize} \item Salvatore Filippone, Cranfield University, UK; \item Pasqua D'Ambra, IAC-CNR, Naples, IT; \item Daniela di Serafino, University of Campania ``L. Vanvitelli'', Caserta, IT; \item Ambra Abdullahi Hassan, University of Rome ``Tor Vergata'', IT. \end{itemize} Contributors to version 1: \begin{itemize} \item Salvatore Filippone; \item Pasqua D'Ambra; \item Daniela di Serafino; \item Alfredo Buttari, CNRS-IRIT, Toulouse, F. \end{itemize}