ropensci/rcrossref — pull request #14 by noamross (2014-06-10 15:27:16+00:00)
Title: Added ability to filter cr_search by record type

Just added one more parameter to `cr_search()`, for the purpose of being able to pull ONLY articles, not issue DOIs. Note that I did not update the `.Rd` file - I think my roxygen config is slightly different than yours so left it for you.