Not found reference from fenics tutorial

Good afternoon. I don’t find the next reference mentioned on the Fenics tutorial: H. P. Langtangen and A. Logg . Solving PDEs in Hours – The FEniCS Tutorial Volume II , Springer, 2016.
Where could i find it?. The search engine on the Springer website does not return any result.
Thanks in advance and excuse me my english skills.

From what I can tell from my own searching, it does not exist.

I’ve found the source of the second one:


However it has not been published
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