Photometric analysis of the structure evolution on the Pb-19.4%Sn melt surface in the S-L temperature rangeV.A. Yermishkin, N.A. Minina, M.M. Lyakhovitskii and V.V. RoshchupkinEPJ Web of Conferences, 15 (2011) 01025DOI: https://doi.org/10.1051/epjconf/20111501025