Email an author to politely ask for a copy. Researchers spend a lot of time on their research and are usually happy to learn that somebody is eager to read it.

Email an author to politely ask for a copy. Researchers spend a lot of time on their research and are usually happy to learn that somebody is eager to read it. Granted, n=1 anecdotes don't mean a whole lot, but the one time I emailed a researcher like this, they not only sent me the paper I was interested in, but later sent a couple of pre-prints of some new (related) research from their group. And then even later when I emailed again asking for some data files referenced in one of their publication, they happily forwarded the data in question to me. I think this was definitely a case of "they were thrilled that somebody else was actually interested in their research". YMMV, of course.