http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Analýza možností zvýšenia výkonu motora VW-1800 pre UL-lietadlo. (Analyze of increasing engine-power possibilities (engine VW-1800) by supercharging of ultra-light aircraft) [CD-ROM]