Possible Duplicate:
Multiple subfigures not appearing on the same line

I have tried this code to put two images with together under a same caption. The subfigures do not appear on the same line. Moreover, even in the table of content they are presented as different tables, separately.

    \blindtext \blindtext \blindtext
                    \caption{the distribution of the nodes in the study site}
                    \caption{the coordinates of nodes according to the Swiss coordinate system}
            \caption{The Grand St. Bernard wireless sensor network deployment} \label{fig:Sensor}   

Problem happened in plotting:

enter image description here