an abstracts and citations database of peer-reviewed literature. It allows for discovery of articles, as well as cited reference searching (number of times an article has been cited). It indexes nearly 23,000 peer-reviewed journals (including open access journals), trade journals, book series, conference proceedings, and pa-tents. Scopus is multidisciplinary, covering life and health sciences, agriculture, environment, engineering, technology, social sciences, landscape architecture, urban planning, and more.