00550nam a2200217Ia 4500008004100000020001800041040000600059041001200065082000800077082001100085100001700096245005000113245001700163260001200180260001300192260000900205300005500214300001200269501002500281650002600306141004s9999 xx 000 0 und d a3 540 62019 2 ca aEnglish a674 bMAT/WO aC Mattheck  aWood: The international optimization of trees cC Mattheck  aGermany bSpringer c1997 a129 p.  b23.5 cm a3A3  aMechanical properties