[1]
Silva, O.H.M. et al. 2012. Optical geometry demonstration: a proposal for non-formal education environment.
Caderno Brasileiro de Ensino de FÃsica
. 29, 3 (Dec. 2012), 1188–1199. DOI:https://doi.org/10.5007/2175-7941.2012v29n3p1188.