van Rooyen, T., & Gouws, R. (2014). Design of a transmission line monitoring solution for an unmanned quadcopter. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, 33(1), 1 bladsy. https://doi.org/10.4102/satnt.v33i1.1211