Hello,
I'm writing my Master Thesis. I'm using the R library "splines" and i want to cite it correctly. 
I have found the following documentation:
http://127.0.0.1:20742/library/splines/html/splines-package.html
My problem is, i didn't find the year when this library was released.
Would you please help me with this problem?
Thanks in Advance,
Christof Peternell

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