1. Abo-El-Nil, M.M, (1982) Method for asexual reproduction of coniferous trees. U.S. Patent No. 4,353,184.
2. Amerson, H.V., S.E. McKeand, and R.L. Mott (1981) Tissue culture and greenhouse practices for the production of loblolly pine plantlets. In Proceedings of the 16th Southern Forest Tree Improvement Conference, Blacksburg, Virginia, pp. 168–173.
3. Amerson, H.V., L.J. Frampton, Jr., S.E. McKeand, R.L. Mott, and R.J. Weir (1985) Loblolly pine tissue culture: Laboratory, greenhouse, and field studies. In Tissue Culture in Forestry and Agriculture, R.R. Henke, K.W. Hughes, M.J. Constantin, and A. Hollaender, eds. Plenum Press, New York, pp. 271–287.
4. Anderson, R.L., C.H. Young, T.D. Triplett, and T.L. Knight (1982) Resistance Screening Center Procedures Manual: A Step by Step Guide to Materials and Methods Used in Operational Screening of Southern Pines for Resistance to Fusiform Rust, Forest Pest Management Report No. 82-1-18, U.S. Department of Agriculture, Asheville, North Carolina, 55 pp.
5. Brown, C.L., and R.H. Lawrence (1968) Culture of pine callus on a defined medium. For. Sci. 14:62–64.