@misc{Colvin_Fred_Herbert_Gear,
 author={Colvin, Fred Herbert and (1867-1965). and Autor},
 howpublished={online},
 publisher={McGraw-Hill Book Company, Inc.,},
 language={angielski},
 title={Gear cutting practice},
 title={methods of producing gears for commercial use},
 type={książka},
 keywords={przekładnie zębata},
}