::
`\usepackage[english,italian]{babel}
\usepackage{url}
\usepackage{microtype}
…
\begin{otherlanguage*}{english}
\bibitem{bib-basic} D.~Csetverikov, collaborators: \emph{Basic Algorithms for Digital Image Analysis}, \url{http://visual.ipan.hu/mitya/}
…
\end{otherlangiage*}`
Ciao,
L.
