López, Harm Frederik Althuisius. «Helicopter physics». ColoradoCollege.edu. Colorado College Dept. of Physics. Arxivat de l'original el 26 d’agost 2021. [Consulta: 28 gener 2022].
«Rocket aerodynamics». Sciencelearn.org.nz. New Zealand Government Ministry of Business, Innovation & Employment. [Consulta: 28 gener 2022].
stanford.edu
«Swimming». Stanford university. [Consulta: 25 abril 2012].
uni-frankfurt.de
user.uni-frankfurt.de
"The cause of the aerodynamic lifting force is the downward acceleration of air by the airfoil..." Weltner, Klaus. «Physics of Flight – reviewed». Goethe University Frankfurt. Arxivat de l'original el 2011-07-19.
web.archive.org
"The cause of the aerodynamic lifting force is the downward acceleration of air by the airfoil..." Weltner, Klaus. «Physics of Flight – reviewed». Goethe University Frankfurt. Arxivat de l'original el 2011-07-19.
López, Harm Frederik Althuisius. «Helicopter physics». ColoradoCollege.edu. Colorado College Dept. of Physics. Arxivat de l'original el 26 d’agost 2021. [Consulta: 28 gener 2022].