Is it i.albedo or r.albedo?

In my folder "/usr/local/src/grass-addons/gipe" I read:
i.albedo
i.vi
i.vi.mpi
...

At http://grass.osgeo.org/wiki/GRASS_AddOns
I read r.albedo, r.vi, r.vi.mpi, etc.

What is the correct prefix for these (gipe) addons?

Thank you,
Nikos

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