00319nam a2200121Ia 4500008004100000041000800041082001400049100001900063245004700082250001400129260003200143650002200175230711s9999||||xx |||||||||||||| ||und||  aENG  a624bMA-S  aMartin,Purkiss 0aStructural design of steel work to BS 5950  a1st . Ed.  c1992aLondonbEdward Arnold  aCivil Engineering