00260nam a2200109Ia 4500008004100000082001000041082000800051245006600059245000800125260000800133300000900141231017s9999    xx            000 0 und d  a624.1  bBSI 0aLattice Towers and Masts Part 1: Code of Practice for Loading 0cBSI  bBSI  c30cm