Gao, X.-H., Zhao, X., Geng, Q.-F., & Liu, G. (2012). Facile Synthesis of Novel PbS Dendritic Nanostructures with Tetraphenylphosphonium Bromide as a Ligand via Simple Hydrothermal Process. Asian Journal of Chemistry, 25(2), 649–652. https://doi.org/10.14233/ajchem.2013.12080