Re: Tabella troppo lunga

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\documentclass{article}
\usepackage{booktabs}
\usepackage{rotating}
\begin{document}
\begin{sidewaystable}
\caption{didsacalia che vuoi}\label{etichetta se ti serve}\centering
\begin{tabular}{rrrrr}
\toprule
\multicolumn{5}{c}{\textit{\bfseries Comparison between different energy
sources}} \\
\midrule
& \bfseries Nanosecond Plasma & \bfseries Electrolyser cell
& \bfseries EDF (nuclear) & \bfseries Car engine \\
\midrule
\bfseries Speed of production & 0.4 g/day (november 2011) & 50g/day & & \\
\bfseries Energetic yield & 0.5 \% (November 2011) & 60\% & & \\
\bfseries Cost & & b & c & d \\
\bottomrule
\end{tabular}
\end{sidewaystable}
\end{document}
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