@misc{Helenowska-Peschke_Maria_Ćwiczenia,
 author={Helenowska-Peschke, Maria},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={published by the author},
 language={pol},
 type={multimedia document},
 title={Ćwiczenia z geometrii wykreślnej},
 keywords={descriptive geometry, axonometry, monge projection, perspective},
}