O. Sima; D. Arnold: Self-attenuation and coincidence-summing corrections calculated by Monte Carlo simulations for Gamma-spectrometric measurements with well-type germanium detectors. Appl. Radiat. Isot. Vol. 47 No. 9/10 (1996)
ISSN 0969-8043, S 889-893
O. Sima; D. Arnold: Modeling of detector efficiencies and of coincidence-summing corrections for extended sources. Transactions of the American Nuclear Society, TANSAO 76 (1997)
ISSN 0003-018X, S. 132-133
O. Sima; C. Dovlete: Matrix effects in the activity measurement of environmental samples - Implementation of specific corrections in a gamma-ray spectrometry analysis program. Appl. Radiat. Isot. Vol. 48 No. 1 (1997)
ISSN 0969-8043, S 59-69
D. Arnold; O. Sima; H. Wershofen: GESPECOR - Ein Monte Carlo Programmpaket zur Berechnung von Selbstabsorptions- und Koinzidenzssummations- Korrektionen bei Gammaspektrometrischen Messungen mit Germaniumdetektoren. Beitrag zum 10. Fachgespräch zur Überwachung der Umweltradioaktivität, BMU-Bericht (1998) S. 133-138.
D. Arnold; O. Sima: Coincidence-summing in Gamma-ray Spectrometry by Excitation of Matrix X-rays. Appl. Radiat. Isot. Vol. 52 No. 3 (2000)
ISSN 0969-8043, S 725-732
O. Sima: Software for the computation of detection efficiency and of coincidence summing effects including neutron self-shielding. Journal of Radioanalytical and Nuclear Chemistry Vol. 244 No. 3 (2000)
ISSN 0236-5731, S. 669-673
O. Sima; D. Arnold: Accurate computation of coincidence-summing corrections in low level gamma-ray spectrometry. Appl. Radiat. Isot. Vol. 53 No. 1-2 (2000)
ISSN 0969-8043, S 51-56
M.C. Lépy; T. Altzitzoglou; D. Arnold; F. Bronson; R. Capote Noy; M. Décombaz; F. De Corte; A. De Wispelaere; R. Edelmaier; E. M. Hing; S. Klemola; M. Korun; M. Králik; H. Neder; J.-P. Laedermann; T. Novotný; E. H. Peraza; N. L. Pino; S. Pommé; A. A. Quintana; O. Sima; F. Ugletveit; L. P. M. Van Velzen; T. Vidmar: Transfer of Ge detectors efficiency calibration from point source geometry to other geometries. Rapport CEA – R5894 (2000)
ISSN 0429-3460
D. Arnold; O. Sima: Total versus effective total efficiency in the computation of coinci-dence summing corrections in gamma-ray spectrometry of volume sources. Journal of Radioanalytical and Nuclear Chemistry Vol. 248 No. 2 (2001)
ISSN 0236-5731, S. 365-370
O. Sima; D. Arnold, C. Dovlete: GESPECOR – A versatile tool in gamma-ray spectrometry. Journal of Radioanalytical and Nuclear Chemistry Vol. 248 No. 2 (2001)
ISSN 0236-5731, S. 359-364
M.C. Lépy; T. Altzitzoglou; D. Arnold; F. Bronson; R.C. Noy; M. Décombaz; F. De Corte; R. Edelmaier; E. H. Peraza; S. Klemola; M. Korun; M. Králik; H. Neder; J. Plagnard; S. Pommé; J. de Sanoit; O. Sima; F. Ugletveit; L. Van Velzen; T. Vidmar: Intercomparison of efficiency transfer software for gamma-ray spectrometry. Appl. Radiat. Isot. Vol. 55 No. 4 (2001)
ISSN 0969-8043, S 493-503
O. Sima; D. Arnold: Transfer of the efficiency calibration of germanium gamma-ray detectors using the GESPECOR software. Appl. Radiat. Isot. Vol. 56 No. 1-2 (2002)
ISSN 0969-8043, S 71-75
D. Arnold; S. Neumaier; O. Sima: Deep underground gammaspectrometric measurement of Al-26 in meteorite samples. Appl. Radiat. Isot. Vol. 56 No. 1-2 (2002)
ISSN 0969-8043, S 405-408
D. Arnold; O. Sima: Application of GESPECOR software for the calculation of coincidence summing effects in special cases. Appl. Radiat. Isot. Vol. 60 No. 2-4 (2004)
ISSN 0969-8043, S 167-172
D. Arnold; O. Sima: Extension of the efficiency calibration of germanium detectors using the GESPECOR software. Appl. Radiat. Isot. Vol. 61 No. 2-3 (2004)
ISSN 0969-8043, S 117-121
O. Sima; I. L. Cazan; L. Dinescu; D. Arnold: Efficiency calibration of high volume samples using the GESPECOR software. Appl. Radiat. Isot. Vol. 61 No. 2-3 (2004)
ISSN 0969-8043, S 123-127
D. Arnold; O. Sima: Calculation of coincidence summing corrections for X-ray peaks and for sum peaks with X-ray contributions. Appl. Radiat. Isot. Vol. 64 No. 10-11 (2006)