Ecosystem Function and Human ActivitiesR. David Simpson, Norman L. Christensen · First published 2012Open the Tome
Environmental Leadership Equals Essential LeadershipJohn C. Gordon, Joyce K. Berry, Christensen, Norman L., Jr. · First published 2010Open the Tome
Leader to LeaderLeBoeuf, Sanyin Siang, Blair Sheppard, Thomas J., Jr. Tierney, Norman L. Christensen, Jeffrey T. Glass, Sim B. Sitkin, E. Allan Lind, William Boulding, John Gallagher, Raymond D. Smith · First published 2006Open the Tome
Soil-vegetation correlations in the Pocosins of Croatan National Forest, North CarolinaNorman L Christensen · First published 1988Open the Tome
