@incollection{Krack11,
author = {Malte Krack and Marc Secanell and Pierre Mertiny},
title = {Rotor Design for High-Speed Flywheel Energy Storage Systems},
booktitle = {Energy Storage in the Emerging Era of Smart Grids},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Rosario Carbone},
chapter = {3},
doi = {10.5772/18359},
url = {https://doi.org/10.5772/18359}
}