Why do you think it changed, and in the early 1990s specifically? (The original study I posted only examined ’90s papers and so couldn’t show any time-series like that, so it can’t be why you think that.)
I suppose that before the 1990s respectable Soviet scientists published primarily in Russian.
Why do you think it changed, and in the early 1990s specifically? (The original study I posted only examined ’90s papers and so couldn’t show any time-series like that, so it can’t be why you think that.)
I suppose that before the 1990s respectable Soviet scientists published primarily in Russian.