APA

Frey, S., Ollinger, S., Nadelhoffer, K., Caldwell, B., Lajtha, K., Bowden, R., Brzostek, E., Burton, A., Crow, S., Goodale, C., Gandy, A., Finzi, A., Kramer, M., LeMoine, J., Martin, M., McDowell, W., Minocha, R., Sadowsky, J., Wickings, K., & Templer, P. (2014). Chronic nitrogen additions suppress decomposition and sequester soil carbon in temperate forests. : Springer.