Valbuena, R., Mauro, F., Rodriguez-Solano, R. and Manzanera, J.A. 2010. Accuracy and precision of GPS receivers under forest canopies in a mountainous environment. Spanish Journal of Agricultural Research. 8, 4 (Dec. 2010), 1047-1057. DOI:https://doi.org/10.5424/sjar/2010084-1242.