\section{Clustering of~\cite{baldockSystemsApproachReveals2019a,baldockDailyTemporalStructure2011}} \cite{baldockSystemsApproachReveals2019a} study the diversity, robustness and impact of the type of environment on the ecological aspect of plant-pollinator networks in four major english cities. \cite{baldockDailyTemporalStructure2011} % \begin{figure}[ht] % \centering % \begin{subfigure}[htb]{0.47\textwidth} % % \input{../tikz/applications/baldock/graph-Baldock2019_Bristol.tex} % \caption{Bristol} % \end{subfigure} % \hfill % \begin{subfigure}[htb]{0.47\textwidth} % % \input{../tikz/applications/baldock/graph-Baldock2019_Edinburgh.tex} % \caption{Edinburgh} % \end{subfigure} % \newline % \begin{subfigure}[htb]{0.47\textwidth} % \input{../tikz/applications/baldock/graph-Baldock2019_Leeds.tex} % \caption{Leeds} % \end{subfigure} % \hfill % \begin{subfigure}[htb]{0.47\textwidth} % \input{../tikz/applications/baldock/graph-Baldock2019_Reading.tex} % \caption{Reading} % \end{subfigure} % \caption{English networks from~\cite{baldockSystemsApproachReveals2019a}} % \label{fig:baldock-english-networks} % \end{figure}