Dec 19 19/12/2019маг. инж. Ернесто Нориега Стефанов Grounding system of the new modern Bulgarian laboratory research facility to be built in Antarctica.
Jun 15 15/06/2019маг. инж. Ернесто Нориега Стефанов Audit of Lightning Protection Systems in Medium and High Voltage Power Substations
Jun 8 08/06/2019маг. инж. Ернесто Нориега Стефанов How to build an efficient lightning earthing system?
Mar 8 08/03/2019маг. инж. Ернесто Нориега Стефанов The Lightning protection of the YURI GAGARIN LTD Buildings
Mar 8 08/03/2019маг. инж. Ернесто Нориега Стефанов Cathodic protection (CP) of industrial gas pipeline in the city of Pernik
Mar 8 08/03/2019маг. инж. Ернесто Нориега Стефанов Anode grounding of the gas pipelines in Thermal power station Varna
Apr 28 28/04/2018маг. инж. Ернесто Нориега Стефанов Main differences between mechanical unions and exothermic welding
