● The utilization of similitude theory for the calculation of variable area flowmeters scales
8th Fluidics and fluid engineering in control systems conference, Bucharest, June 1980

● Theoretical and practical contributions to optimal design of variable area flowmeters
5th International Conference on Control Systems and Computer Science, Bucharest, May 1983

 ● Methods of determination, by conversion,  the scales of the variable area flowmeters with articulated float
3rd Symposium of Metrology, Bucharest,  May 1987l

● Unitary Structures of Flowmeters
2nd International Symposium on Fluid Flow Measurement, Calgary – Canada, June 1990

● The calibration of the flowmeters with variable area
The XIII IMEKO World Congress, Torino, October 1994

● Unitary Structures and Classification of Flowmeters (included as Annex  of ISO standard “Guide to the selection of flowmeters”)
Meeting of ISO / TC30 (Technical Committee Standardization of Flow Measurement), Cascais – Portugal, June 1998

● Current status and trends in the standardization of flow measurement at international level
22nd International Symposium of the Control & Instrumentation Association of Romania, October 2016

● A method of flow measurement based on the reaction force. Reaction flowmeters
FLOMEKO 2019 (International Flow Measurement Conference), Lisbon, June 2019