CONTENT
Editorial
I. SYNTESIS • Sviatlana KACHUR, Nadzeya EFREMOVA, Methods of statistical analysis for the proficiency testing data in calibration II. GENERAL PAPERS • Aurel Millea, Dan Mihai Ștefănescu, Thoughts about the International System of Quantities and Units (SI): Properties, Classifications, Graphical Representations III. MEASUREMENT TECHNIQUE • Maria Sahagia, Aurelian Luca, Andrei Antohe, Constantin Ivan, Role of the radionuclide metrology laboratory from IFIN-HH in the assurance of the international equivalence and national traceability for activity unit standard IV. INFORMATION - EVENTS • The Symposium from 17-18.11.2011, with international participation in the frame of manifestations on the occasion of the 60th anniversary since the foundation of the National Institute of Metrology in Romania