00543nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002000102111008800122245001600210260003800226300001900264650002000283650004600303CHAP20220329135228.0971013s1957            r     10010     d  a32977  a33949  a38065  cCHAP  a634.95bN6 195600aNortheastern Forest Tree Improvement Conference (n4d: 1956c: Johnsonburg, Penn.)  aProceedings  aJohnsonburg, Penn. :bNFTI,c1957  a53 p.b: ilus.14aBosquesxE.U.A.14aSilviculturaxPublicaciones periódicas.