| Publication Year | Title | Author(s), Editor(s), Other Contributor(s) | Publication Type |
| 2007 | BIPM Comparison BIPM.RI(II)-K1.Np-237 of Activity Measurements of the Radionuclide 237Np and Links for the 1998 Regional Comparison EUROMET.RI(II)-K2.Np-237 | RATEL G.; MICHOTTE C.; JANSSEN H.; KOSSERT K.; SIBBENS GOEDELE; ALTZITZOGLOU TIMOTHEOS; POMME STEFAAN; WOODS M.j.; JUDGE S. | Articles in Journals |
| 1998 | CCQM Study III, Measurement of Lead Amount Concentration in Water by Means of Primary Method of Measurement: Direct Isotope Dilution. | PILVIO Riitta; LAROSA J.j.; WORDEL Rainer; BICKEL Michael; ALTZITZOGLOU Timotheos | Articles in Journals |
| 2004 | Characterisation of Reference Materials for Radioactivity with Assigned Values Traceable to the SI Units. | ALTZITZOGLOU Timotheos; BICKEL Michael; BOHNSTEDT Angelika; DECAILLON J.g.; HILL Christoph; HOLMES Leigh; SIBBENS Goedele | Contributions to Conferences |
| 2008 | Characterisation of the IAEA-152 Milk Powder Reference Material for Radioactivity with Assigned Values Traceable to the SI Units | ALTZITZOGLOU TIMOTHEOS; BOHNSTEDT Angelika | Contributions to Conferences |
| 1998 | Comparison of Activity Measurements of 63-Ni and 55-Fe in the Framework of the EUROMET 297 Project. | CASSETTE P.; ALTZITZOGLOU Timotheos | Contributions to Conferences |
| 2006 | Comparison of Calculated Spectra for the Interaction of Photons in a Liquid Scintillator: Example of 54Mn 835 keV Emission | CASSETTE P.; AHN G.h.; ALTZITZOGLOU TIMOTHEOS; AUBINEAU-LANIÈCE I.; BOCHUD F.; GARCIA TORANO E.; GRAU CARLES A.; GRAU MALONDA A.; KOSSERT K.; LEE K.b., et al | Articles in Journals |
| 2010 | Comparison of Triple-to-Double Coincidence Ratio (TDCR) Efficiency Calculations and Uncertainty Assessments for 99Tc | ZIMMERMAN B.e.; ALTZITZOGLOU Timotheos; RODRIGUES D.; BRODA R.; CASSETTE P.; MO L; RATEL G.; SIMPSON B.; VAN WYNGAARDT W.; WÄTJEN C. | Contributions to Conferences |
| 2007 | Current Radioactivity Content of Wild edible Mushrooms: a Candidate for an Environmental Reference Material | SZÁNTÓ Z.; HULT MIKAEL; WAETJEN UWE; ALTZITZOGLOU TIMOTHEOS | Articles in Journals |
| 2000 | Determination of 90Sr in Aquatic Organisms by Extraction Chromatography: Method Validation. | TORRES Barrado jose maria; LLAURADO M.; RAURET G.; BICKEL Michael; ALTZITZOGLOU Timotheos; PILVIOE Riitta | Articles in Journals |
| 2012 | Determination of natural and anthropogenic radionuclides in soil - results of an European Union comparison | MERESOVA JANA; WAETJEN Uwe; ALTZITZOGLOU Timotheos | Contributions to Conferences |
| 1998 | Development of the NIST Bone Ash Standard Reference Material for Environmental Radioactivity Measurement. | LIN Zhichao; INN K. g. w.; ALTZITZOGLOU Timotheos; ARNOLD D.; CAVADORE D.; HAM G. j.; KORUN M.; WESHOFEN H.; TAKATA Y.; YOUNG A. | Articles in Journals |
| 2010 | EC Comparison on the Determination of 226Ra, 228Ra, 234U and 238U in Water among European Monitoring Laboratories | WAETJEN Uwe; BENEDIK Ljudmila; SPASOVA Yana; VASILE Mirela; ALTZITZOGLOU Timotheos; BEYERMANN M. | Contributions to Conferences |
| 2006 | EC Intercomparisons for Laboratories Monitoring Environmental Radioactivity | WAETJEN UWE; SZANTO Zsuzsanna; ALTZITZOGLOU TIMOTHEOS; SIBBENS GOEDELE; KEIGHTLEY John; HULT MIKAEL | Contributions to Conferences |
| 2008 | European Measurement Comparison of 137Cs, 40K and 90Sr in Milk Powder | SPASOVA YANA; WAETJEN UWE; ALTZITZOGLOU TIMOTHEOS | Contributions to Conferences |
| 2011 | Evaluation of EC Comparison on the Determination of 226Ra, 228Ra, 234U and 238U in Mineral Waters | SPASOVA Yana; WAETJEN Uwe; BENEDIK Ljudmila; VASILE Mirela; ALTZITZOGLOU Timotheos; BEYERMANN M. | EUR - Scientific and Technical Research Reports |
| 2012 | Evaluation of EC interlaboratory comparison on radionuclides in soil | MERESOVA JANA; WAETJEN Uwe; ALTZITZOGLOU Timotheos | EUR - Scientific and Technical Research Reports |
| 2008 | Evaluation of EC Measurement Comparison for 137Cs, 40K and 90Sr in Milk Powder | WAETJEN UWE; SPASOVA YANA; ALTZITZOGLOU TIMOTHEOS; EMTEBORG HAKAN; POMME STEFAAN | EUR - Scientific and Technical Research Reports |
| 2007 | Evaluation of EC Measurement Comparison on Simulated Airborne Particulates - 137Cs in Air Filters | WAETJEN UWE; SZANTO Zsuzsanna; ALTZITZOGLOU TIMOTHEOS; SIBBENS GOEDELE; KEIGHTLEY John; VAN AMMEL RAF; HULT MIKAEL; DE CORT MARC | EUR - Scientific and Technical Research Reports |
| 2009 | Experimental Determination of the 233U Half-Life | POMME Stefaan; ALTZITZOGLOU Timotheos; VAN AMMEL Raf; SIBBENS Goedele; EYKENS Roger; RICHTER Stephan; CAMPS Johan; KOSSERT Karsten; JANSSEN Herbert; GARCIA-TORANO Eduardo, et al | Articles in Journals |
| 2010 | Feasibility Study for the Development of Plutonium Reference Materials for Age Dating in Nuclear Forensics | STURM Monika; RICHTER Stephan; AREGBE Yetunde; WELLUM Roger; ALTZITZOGLOU Timotheos; VERBRUGGEN Andre; MAYER Klaus; PROHASKA Thomas | Contributions to Conferences |