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?
Apr 28 28/04/2018маг. инж. Ернесто Нориега Стефанов Main differences between mechanical unions and exothermic welding
Feb 15 15/02/2018Радена Пунчева Еxternal lightning protection of the administrative buildings of Neochim AD-Dimitrovgrad