Mayer, J., Buegger, F., Jensen, E. S., Schloter, M. and Heß, J. (2003): Estimating N rhizodeposition of grain legumes using a 15N in situ labelling method. Soil Biology and Biochemistry 35, 21 -28.
Mayer, J., Buegger, F., Jensen, E. S., Schloter, M. and Heß, J. (2004): Turnover of grain legume N rhizodeposits and effect of the rhizodeposition on the turnover of crop residues. Biology and Fertility of Soils 39, 153-164.
Wichern, F., Mayer, J., Joergensen, R.G. and Müller, T. (2007a): Rhizodeposition of C and N in peas and oats after 13C–15N double labelling under field conditions. Soil Biology and Biochemistry 39, 2527-2537.
Wichern, F., Mayer, J., Joergensen, R.G. and Müller, T. (2007b): Release of C and N from roots of peas and oats and their availability to soil microorganisms. Soil Biology and Biochemistry 39, 2829–2839.
Friedel, J.K. and Scheller, E. (2002): Composition of hydrolysable amino acids in soil organic matter and soil microbial biomass. Soil Biology and Biochemistry 34, 315 – 325.