@incollection{Todorov17,
author = {Constantin Rotaru and Michael Todorov},
title = {Helicopter Flight Physics},
booktitle = {Flight Physics},
publisher = {IntechOpen},
address = {Rijeka},
year = {2017},
editor = {Konstantin Volkov},
chapter = {2},
doi = {10.5772/intechopen.71516},
url = {https://doi.org/10.5772/intechopen.71516}
}