Száz, Dénes Adjustment errors of sunstones in the first step of sky-polarimetric Viking navigation: studies with dichroic cordierite/ tourmaline and birefringent calcite crystals. [electronic resource] - Royal Society open science Jan 2016 - 150406 p. digital Publication Type: Journal Article ISSN: 2054-5703 Standard No.: 10.1098/rsos.150406 doi