1. Allison, J.D., Brown, D.S., Novo-Gradac, K.J., 1991. MINTEQA2/PRODEFA2, A geochemical assessment model for environmental systems: Version 3 User’s Manual. Env. Res. Lab., US Env. Prot. Agency, Athens , GA.
2. American Public Health Association (APHA), 1995. Standard methods for the examination of water and wastewater: including bottom sediments and sludges. American Public Health Association, Washington, DC.
3. Mineralogy of the rhizosphere in forest soils of the eastern United States;April;Biogeochem.,1990
4. Genesis of selected sandy soils in Alberta, Canada, as revealed by microfabric, leachate-, and soil composition;Arocena;Geoderma,1992
5. Chemical and mineral composition of two ectomycorrhizosphere soils of subalpine fir (Abies lasiocarpa (Hook.) Nutt.) in Ae horizon of Luvisol;Arocena;Can. J. Soil Sci,1999