food technology
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      Colour and viscosity of egg yolk after addition of beetroot to feed for laying hens
      Vladimír Kopřiva, Pavel Suchý, Eva Straková, Michal Žďárský, Petr Dvořák 2014, Vol. 83, Issue 1, pp. 39-44
Vladimír Kopřiva, Pavel Suchý, Eva Straková, Michal Žďárský, Petr Dvořák