@book
{TN_libero_mab2,
author = {
Weick, Fred E.
},
title = {
Propeller design
4 A simple method for determining the strength of propellers
},
publisher = {NACA},
year = {1926},
booktitle = {Technical notes / National Advisory Committee for Aeronautics ; 238},
address = {
Washington, D.C.
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}