@article{articled56a20d6,
title   = {Primaquine diphosphate and its cation radical: a spectrochimica investigation},
author = {Faria, Dalva Lúcia Araújo de and Santos, Paulo Sérgio},
year = {1991},
doi = {10.1016/0584-8539(91)80002-z},
journal   = {Spectrochimica Acta}
}