L.F. Pitelka

Long-term agricultural research (LTAR): A research, education, and extension imperative
Robertson, G. P., V.G. Allen, G. Boody, E.R. Boose, N.G. Creamer, L.E. Drinkwater, J.R. Gosz, et al. 2008. “Long-Term Agricultural Research (LTAR): A Research, Education, and Extension Imperative”. BioScience 58: 640-45.
The integrated forest study on effects of atmospheric deposition: a status report
Johnson, D. W., S.E. Lindberg, E.A. Bondietti, D.W. Cole, Gary M. Lovett, Myron J. Mitchell, L.H. Ragsdale, and L.F. Pitelka. 1987. “The Integrated Forest Study on Effects of Atmospheric Deposition: A Status Report”. Air Pollution Control Association Conference Proceedings, APCA, Pittsburgh, Pennsylvania.