A user can correct such things easily (at least when he cares about his metadata). 

[
BTW: The author in the first test should not contain the "von", but this is in RIS data (and in some cases the German family names have the prefix "von"). Thus, we should leave it to the user to correct.
Moreover, I just found another "nice" example:

	AU  - Das Interview führte TINA RUMPELT
;-]