Related paper K$^0_{\rm S}$ and $\rm Λ$ production in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV $\Kzs$ and $\rm\Lambda$ transverse momentum spectra for different event centrality intervals shown in logarithmic (top) and linear (bottom) scale. The curves represent results of blast-wave fits. [png] [pdf] [png] [pdf]