Walbrink, P. J. (1993). Cosmogenic 7Be [Beryllium-7] in wet and dry precipitation and its distribution in soils: Some applications to soil erosion. CSIRO Division of Water Resources.
Cita Chicago (17th ed.)Walbrink, P. J. Cosmogenic 7Be [Beryllium-7] in Wet and Dry Precipitation and Its Distribution in Soils: Some Applications to Soil Erosion. Canberra: CSIRO Division of Water Resources, 1993.
Cita MLA (8th ed.)Walbrink, P. J. Cosmogenic 7Be [Beryllium-7] in Wet and Dry Precipitation and Its Distribution in Soils: Some Applications to Soil Erosion. CSIRO Division of Water Resources, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.