P. Tobiessen

Carbon and nitrogen assimilation in red oaks (Quercus rubra L.) subject to defoliation and nitrogen stress
Lovett, Gary M., and P. Tobiessen. 1993. “Carbon and Nitrogen Assimilation in Red Oaks (Quercus Rubra L.) Subject to Defoliation and Nitrogen Stress”. Tree Physiol. 12: 259-69.