@misc{_Concentration_1921,
 contributor={Rickard, Thomas Arthur (1864- ). Redakcja},
 year={1921},
 rights={Domena publiczna (Public domain)},
 publisher={Chapman & Hall},
 publisher={John Wiley & Sons},
 language={eng},
 type={książka},
 title={Concentration by flotation},
 keywords={flotacja - metody},
}