“Environmental factors affecting technical efficiency in Norwegian steep terrain logging crews: a stochastic frontier analysis”
Occurring in the Journal of Forest Research, Vol. 20, 2015. Authors: G Aalmo and S Baardsen. Access at http://link.springer.com/journal/10310/20/1/page/1
“Biomass yield and quality of an energy dedicated crop of poplar (Populus spp.) clones in the Mediterranean zone of Chile”
Occurring in Biomass and Bioenergy, Vol. 74, 2015. Authors: R Carmona, T Nunez and M Alonso. Access at http://www.sciencedirect.com/science/journal/09619534