@misc{Oberg_Erik._Machinery's,
 author={Oberg, Erik. and Jones, F. D.},
 howpublished={online},
 publisher={The Industrial Press.},
 publisher={Machinery Publishing Co., Ltd.},
 language={eng},
 type={książka},
 type={dokument piśmienniczy},
 title={Machinery's Handbook for Machine Shop and Drafting Room : a reference book on machine desing and shop practice for the mechanical engineer, draftsman, toolmaker and machinist},
}