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http://ediss.uni-goettingen.de/bitstream/handle/11858/00-1735-0000-0028-867B-8/JanSpiesPhDThesis.pdf?sequence=1 (Publisher version)
Spies, J. P. (2015). Analysis of the sleep homeostat of the nematode Caenorhabditis elegans. PhD Thesis, Georg-August-Universität, Göttingen.