@misc{Graham_Frank_D._Audels,
 author={Graham, Frank D.},
 howpublished={online},
 publisher={Theo. Audel & Co.},
 language={eng},
 title={Audels pumps, hydraulics, air compressors. Author's Note ; List of Chapters ; Index},
 title={A practical guide covering theory, construction and operation of modern pumps, hydraulic machinery air compressors and blowers fully illustrated for engineers, mechanics and operators with questions and answers},
 type={książka},
 keywords={dmuchawy, hydraulika, kompresory powietrza, pompy hydrauliczne, przyrządy hydrauliczne, sprężarki, urządzenia hydrualiczne},
}