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Citation: O. Helene et al., Covariances between gamma-ray energies, NUCL INST A, 460(2-3), 2001, pp. 289-296

Authors: Helene, O Takiya, C Vanin, VR

Citation: O. Helene et al., Variances and covariances in deconvolution of multichannel spectra: S-34 (gamma,xn) cross section, BRAZ J PHYS, 31(1), 2001, pp. 8-14

Authors: Helene, O

Citation: O. Helene, Expected coverage of Bayesian and classical intervals for a small number of events - art. no. 037901., PHYS REV D, 6003(3), 1999, pp. 7901

Authors: Helene, O Vanin, VR Tsai, SP

Citation: O. Helene et al., Improvement of Ir-192 and Eu-152 gamma-ray calibration energies by using aself-calibration procedure, NUCL INST A, 433(3), 1999, pp. 592-602