N. R. Urban

Export of dissolved organic carbon and acidity from peatlands

Steven J. Eisenreich, S. Bayley, N. Urban, 1989 .

Aluminum geochemistry in peatland waters

Steven J. Eisenreich, E. Helmer, N. Urban, 1990 .

Geochemical processes controlling concentrations of Al, Fe, and Mn in Nova Scotia lakes

Eville Gorham, Frank B. Martin, N. Urban, 1990 .