@misc{Altenbach_H._Isogonal_2018,
 author={Altenbach, H. and Rosendahl, P. L. and Becker, W. and Kolupaev, V. A.},
 editor={Wiśniewski, Krzysztof Ed.},
 editor={Burczyński, Tadeusz Ed.},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 howpublished={online},
 year={2018},
 publisher={Institute of Fundamental Technological Research Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={Isogonal and Isotoxal Hexagons as Extremal Yield Figures},
 URL={http://rcin.org.pl/ippt/Content/143935/PDF/WA727_170009_41-SolMech-2018_Altenbach-020.pdf},
 keywords={Mechanika - konferencje [KABA]},
}