01354nam a2200301   4500001000800000003000400008005001700012007000400029008000500033010001700038035001900055040002100074042001200095050002300107082001100130111015400141245008700295250001300382260008000395300004500475500027700520650003300797650005200830700002700882710004000909710003900949710006400988705693800020150528130423.0000000   a   65028544   a(OCoLC)2539668  aUOELcMoKiUdDLC  apremarc00aSD399.5b.N25 1964  a634.952 aN.A.T.O. and N.S.F. Advanced Study Institute on Genetic Improvement for Disease and Insect Resistance of Forest Treesn(University Park, Pa. :d1964)10aBreeding pest-resistant trees;bproceedings.cEdited by H.D. Gerhold  [and others.  a1st ed.]  aOxford,aNew York,bSymposium Publications Division, Pergamon Pressc[1966]  aix, 505 p.billus., group ports.c26 cm.  aOrganized 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. 0aTreesxBreedingvCongresses. 0aTreesxDisease and pest resistancevCongresses.1 aGerhold, Henry D.eed.2 aNorth Atlantic Treaty Organization.2 aNational Science Foundation (U.S.)2 aPennsylvania State University.bSchool of Forest Resources.