@article{article266a91a8, title = {Evidence of the participation of electronic excited states in the mechanism of positronium formation in substitutional 'TB IND. 1−x''EU IND. x''(dpm) IND. 3" solid solutions studied by optical and positron annihilation spectroscopies}, author = {Fulgêncio, F and Oliveira, F C de and Windmöller, D and Brito, Hermi Felinto de and Malta, O L and Sa, G F and Magalhães, W F and Machado, J C}, year = {2012}, doi = {10.1039/c2cp40664k}, journal = {Physical Chemistry Chemical Physics} }