APA

Schaefer, K., Schwalm, C., Williams, C., Arain, M., Barr, A., Chen, J., Davis, K., Dimitrov, D., Hilton, T., Hollinger, D., Humphreys, E., Poulter, B., Raczka, B., Richardson, A., Sahoo, A., Thornton, P., Vargas, R., Verbeeck, H., Anderson, R., Baker, I., Black, T., Bolstad, P., Chen, J., Curtis, P., Desai, A., Dietze, M., Dragoni, D., Gough, C., Grant, R., Gu, L., Jain, A., Kucharik, C., Law, B., Liu, S., Lokipitiya, E., Margolis, H., Matamala, R., McCaughey, J., Monson, R., Munger, J., Oechel, W., Peng, C., Price, D., Ricciuto, D., Riley, W., Roulet, N., Tian, H., Tonitto, C., Torn, M., Weng, E., & Zhou, X. (2012). A model-data comparison of gross primary productivity: Results from the North American Carbon Program site synthesis. : American Geophysical Union.