@conference {romor2020pamm,
	title = {Multi-fidelity data fusion for the approximation of scalar functions with low intrinsic dimensionality through active subspaces},
	booktitle = {Proceedings in Applied Mathematics \& Mechanics},
	volume = {20},
	number = {S1},
	year = {2021},
	publisher = {Wiley Online Library},
	organization = {Wiley Online Library},
	doi = {10.1002/pamm.202000349},
	author = {Francesco Romor and Marco Tezzele and Gianluigi Rozza}
}
