@ARTICLE{F.-J._Barthold_A_2012, author={F.-J. Barthold}, volume={60}, number={No 2}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={247-252}, howpublished={online}, year={2012}, title={A structural optimisation viewpoint on growth phenomena}, URL={http://www.journals.pan.pl/Content/83542/PDF/09_paper.pdf}, doi={10.2478/v10175-012-0033-6}, }