J. B. Urrego

Three decades of observed soil acidification in the Calhoun Experimental Forest: Has acid rain made a difference?

H. L. Allen, D. Markewitz, D. Richter, 1998 .

Response of Eucalyptus grandis in Colombia to mid-rotation fertilization is dependent on site and rate but not frequency of application

H. L. Allen, J. Stape, R. Rubilar, 2015 .

Growth potential of Gmelina arborea at 3 years of age in Colombia

J. B. Urrego, 2004, New Forests.