Neto, Rui Borralho, Horácio Fernandes, Tiago Pereira, Isabel Borges, Gesil Amarante-Segundo, Samuel Balula, Rui Figueiredo, and José Pedro Pereira. 2013. “Globally Distributed Pendulum Experiment As an Educational Resource on E-Lab”. International Journal of Online and Biomedical Engineering (iJOE) 9 (S8):pp. 47-49. https://doi.org/10.3991/ijoe.v9iS8.3381.