Yeh, Hung-Yu Max Planck Institute for Mathematics, Max Planck Society;
https://hdl.handle.net/20.500.11811/7169 (Any fulltext)
Yeh, H.-Y. (2017). Period, central charge and effective action on Ricci-Flat manifolds with special holonomy. PhD Thesis, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn.