@incollection{Hailu20, author = {Getu Hailu}, title = {Introductory Chapter: Rotating Machinery}, booktitle = {Rotating Machinery}, publisher = {IntechOpen}, address = {Rijeka}, year = {2020}, editor = {Getu Hailu}, chapter = {1}, doi = {10.5772/intechopen.89276}, url = {https://doi.org/10.5772/intechopen.89276} }