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http://ediss.uni-goettingen.de/bitstream/handle/11858/00-1735-0000-0006-ABDA-1/spangenberg.pdf?sequence=1 (Publisher version)
Spangenberg, O. (2001). Guanylatkinase: Von einem aktiven Enzym zu einem inaktiven Multidomänen-Protein. PhD Thesis, Göttingen.