As you think about the interesting questions that arise from Steppe et al.'s paper, know that we can trace the influence of the research over time.
This search process, often called citation chaining, shows us the papers that have included Steppe's paper in their references list. Citation chaining helps us move forward in time from the date of a paper's publication to show what questions and answers came next.
In Google Scholar, type the article name in the search box and run the search.
Click the Cited By link under the article title for a list of citing articles:
In Scopus, type the article name in the search box and run the search.
On the right side of the screen find the Citations column. Click the number in that column for a list of citing articles: