1. Romano, V.F., Bellido, L.F, Cosmi, F.: Estudos de Viabilidade de um Trocador Automatico de Amostras para o IEN, Internal report LabRob-COPPE/PEM, Rio de Janeiro, Brazil, 1994;
2. Bellido, L.F.: Programa RAE - Rotina de Aquisiçâo de Espectros, Internal report SUFIN-IEN, Rio de Janeiro, Brazil, 1995;
3. Munoz, L., et al.: Development of an Automatic System for Neutron Activation Analysis, Journal of Radioanal. Nucl. Chem., vol 167, pp. 97–100, 1993;
4. Edward, J.B., et al.: An Automated Microcomputer-controlled System for Neutron Activation and Gamma-ray Spectroscopy, Nuclear Instrum. & Methods, vol. A299, 1990
5. Andrews, D.J.,: An Automatic Sample Changer for Automated Gamma-ray Spectrometry, Fisheries Research Technical Report - MAFF-FRTR-77“, UK, 1984;