Valbuena, R., Research Group for Sustainable Management (Tecnatur). Faculty of Forestry. Universidad Politécnica de Madrid (UPM). Ciudad Universitaria s.n. 28040 Madrid, Sri Lanka

• Spanish Journal of Agricultural Research Vol. 8 No. 4 (2010) - Agricultural environment and ecology
  Accuracy and precision of GPS receivers under forest canopies in a mountainous environment
  Abstract  PDF