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I have recently been dealing with an interesting conundrum. I have several papers written by the same author, but in which the author's name is credited differently.
Some of these articles credit this author as:
Schön, with an umlaut.
Schoen, where the name is written according to the convention of adding "e", where an umlaut cannot be typed.
My citation style would ordinarily place a ---- under duplicate articles by one author, but the typographical variation in the credited names in the journal means that a reader of my references, who has not verified as I have that these articles are by the same person, might have the impression I was citing two different authors. Equally, I worry that it would be quite inappropriate to alter the style in which the author's name was printed in the original journal. Is there anyway I can indicate in my references that these are articles by the same person?