Science about publications.
When I was a graduate student, then a meney (in the early 1980s), there was a saying:
What is different from co-authorship? Same as singing. and :)
It was so. In my first certificate there were 17 co-authors. The idea was conceived by three of us, then the vice-rector of science, the rest - the chief engineers of all the factories, where you could try to try it at least.
So it goes... (c) K. Vonnegut