C. Geibe

The effect of organic acids on base cation leaching from the forest floor under six North American tree species
Dijkstra, F. A., C. Geibe, S. Homstöm, U.S Lundstöm, and N. van Breemen. 2001. “The Effect Of Organic Acids On Base Cation Leaching From The Forest Floor Under Six North American Tree Species”. European J. Soil Sci. 52: 205-214.