TY  - BOOK
AU  - Gerhold, Henry D.
ED  - N. A. T. O. and N. S. F. Advanced Study Institute on Genetic Improvement for Disease and Insect Resistance of Forest Trees, University Park, Pennsylvania, 1964.
ED  - North Atlantic Treaty Organization.
ED  - United States National Science Foundation.
ED  - Pennsylvania. State University. School of Forest Resources.
TI  - Breeding pest-resistant trees; proceedings / Edited by H.D. Gerhold [and others]
PY  - 1966///]
CY  - Oxford, New York : Symposium Publications Division, Pergamon Press
KW  - Tree breeding  Congresses
KW  - Trees  Disease and pest resistance  Congresses
N1  - Organized by a program committee appointed by the Symposium Advisory Committee of the Pennsylvania State University's School of Forest Resources and held under the auspices of the North Atlantic Treaty Organization and the National Science Foundation of the United States; Includes bibliographies
ER  -