00510nam a2200181 a 450000100080000000500110000800800410001910000220006024501100008226000260019230000090021849000300022765000120025765300110026965300140028065300160029465300180031012966762006-11-28       1978    bl uuuu      00u1 u    #d1 aFREITAS, A. R. de  aProbabilistic approach in the design of wood structures in Brazil based on the variability of 23 species.  aSão Paulo: IPTc1978  a77p.  a(Publicação IPT, 1198).  aMadeira  aBrasil  aEstrutura  aPropriedade  aVariabilidade