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Determination of Periodicity of Certification Electrical Personal
Sidorov, Aleksandr I., Khanzhina, Olga A.Volume:
44
Language:
english
Journal:
IOP Conference Series: Earth and Environmental Science
DOI:
10.1088/1755-1315/44/5/052059
Date:
October, 2016
File:
PDF, 1.21 MB
english, 2016