Lefort Borges Cc̕ero, Barreira Martn̕ez Manuel Lus̕, & Universidad Nacional de Colombia. Facultad de Ingeniera̕. Using radio frequency and ultrasonic antennas for inspecting pin-type insulators on medium-voltage overhead distribution lines.
Chicago-viite (17. p.)Lefort Borges Cc̕ero, Barreira Martn̕ez Manuel Lus̕, ja Universidad Nacional de Colombia. Facultad de Ingeniera̕. Using Radio Frequency and Ultrasonic Antennas for Inspecting Pin-type Insulators on Medium-voltage Overhead Distribution Lines.
MLA-viite (9. p.)Lefort Borges Cc̕ero, et al. Using Radio Frequency and Ultrasonic Antennas for Inspecting Pin-type Insulators on Medium-voltage Overhead Distribution Lines.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.