00393nam a2200181Ia 4500008004100000082000800041082000800049100002100057245004100078250001200119260002600131260000900157300001000166365000600176365000600182365000600188650001700194181031s9999 xx 000 0 und d a721 bMAN aMannes Willibald aTechniques of Staircase Construction a2nd ed. bVan Nostrand Reinhold c1986 a112p. b0 d0 e0 aConstruction