In the community in Figure nine, the co-citation degree on the literature on slices for every time period were integrated and clustered. The integrated community consisted of 821 literatures and 2332 links to kind a co-citation network cluster. A co-citation community diagram based on a photovoltaic building technique was constructed https://bipv-panels05161.activoblog.com/33474868/the-smart-trick-of-bipv-technology-that-nobody-is-discussing