Dijkstra, P., S. C.  Thomas, P. L.  Heinrich, G. W.  Koch, E.  Schwartz, and B. A.  Hungate. 2011. Effect of temperature on metabolic activity of intact microbial communities: Evidence for altered metabolic pathway activity but not for increased maintenance respiration and reduced carbon use efficiency. Soil Biology and Biochemistry 43:2023-2031.