@incollection{Hover12,
author = {Alfred C. H. Tan and Franz S. Hover},
title = {Ultrasonic Thruster},
booktitle = {Ultrasonic Waves},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Auteliano Antunes dos Santos Júnior},
chapter = {8},
doi = {10.5772/29442},
url = {https://doi.org/10.5772/29442}
}