![Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design](https://www.researchgate.net/publication/338905931/figure/fig2/AS:852856408133632@1580348221234/The-grease-and-the-base-oil-film-thickness-development-for-B1-ball-specimen_Q320.jpg)
Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design
![Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design](https://i1.rgstatic.net/ii/profile.image/272765051731998-1442043664968_Q128/Martin_Hartl.jpg)
Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design
![Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design](https://www.researchgate.net/publication/329898097/figure/fig1/AS:707526354038789@1545698836849/Number-of-pores-over-pore-volume-of-a-cuboid-sintered-disk-sample-evaluated-from-micro-CT_Q320.jpg)
Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design
![KONSTRUKCE MIKROSKOPOVÉHO LED OSVĚTLOVACÍHO ZDROJE DESIGN OF MICROSCOPE LED ILLUMINATION SOURCE - PDF Free Download KONSTRUKCE MIKROSKOPOVÉHO LED OSVĚTLOVACÍHO ZDROJE DESIGN OF MICROSCOPE LED ILLUMINATION SOURCE - PDF Free Download](https://docplayer.cz/docs-images/49/19011932/images/page_4.jpg)
KONSTRUKCE MIKROSKOPOVÉHO LED OSVĚTLOVACÍHO ZDROJE DESIGN OF MICROSCOPE LED ILLUMINATION SOURCE - PDF Free Download
![Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design Petr ŠPERKA | Research Assistant | Ph.D. | Brno University of Technology, Brno | Institute of Machine and Industrial Design](https://i1.rgstatic.net/ii/profile.image/272862921621526-1442066998634_Q512/Petr_Sperka.jpg)