@article{article52758935,
title   = {Covariances between gamma-ray energies},
author = {Helene, Otaviano Augusto Marcondes and Guimaraes Filho, Zwinglio de Oliveira and Vanin, Vito Roberto and Pauliquevis Junior, Theotonio Mendes and Goldman, I David and Pascholatti, Paulo Reginaldo},
year = {2001},
doi = {10.1016/s0168-9002(00)01067-6},
journal   = {Nuclear Instruments & Methods in Physics Research Section A}
}