00285nam a2200121Ia 4500008004100000020001500041041000800056082001200064100001800076245003700094260002400131300000800155230724s2007    xx                  und d  a1856694038  aeng  a720.483  aWELLS MATTHEW  aSKYSCRAPERS STRUCTURE AND DESIGN  bLAURENCE KINGc2007  a231