Why do papers sometimes appear unlinked in Google Scholar? I would like to download this paper:


  O. Faure. Numerical pathwise approximation of stochastic differential equations.
  Applied stochastic models and data analysis, 1992.


but when I use Google Scholar, the paper cannot be accessed. I cannot even access the paper from within my campus firewall.

See the following image:



Why is the title of this paper black, not a blue link, in the list of Google Scholar results?
The paper appears black because Google Scholar has not found the full-text of the paper during its crawls. Rather it has extracted the document as a citation from other documents it has seen.

Hence Google Scholar knows that the document exists (it has been cited) but does not know where to find it.