Meintjes, Pieter J., and Pheneas Nkundabakura. “THE SEARCH FOR BLAZARS AMONG THE UNIDENTIFIED EGRET Gamma-RAY SOURCES”. Acta Polytechnica 53, no. A (December 18, 2013): 631–634. Accessed May 13, 2025. https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/1926.