@incollection{Ragheb11,
author = {Magdi Ragheb and Adam M. Ragheb},
title = {Wind Turbines Theory - The Betz Equation and Optimal Rotor Tip Speed Ratio},
booktitle = {Fundamental and Advanced Topics in Wind Power},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Rupp Carriveau},
chapter = {2},
doi = {10.5772/21398},
url = {https://doi.org/10.5772/21398}
}