@misc{Thaler_George_J._(1918-_)._Elements,
 author={Thaler, George J. (1918- ).},
 howpublished={online},
 publisher={McGraw-Hill Book Company, Inc.},
 language={eng},
 type={dokument piśmienniczy},
 type={książka},
 title={Elements of servomechanism theory},
}