00309nam a2200109Ia 4500008004100000082001000041082000800051245011500059245000800174260000800182300000900190231017s9999    xx            000 0 und d  a624.1  bBSI 0a"Lattice Towers and Masts, Part 2: Guide to the Background and use of Part 1 ""Code of Practice for Loading""" 0cBSI  bBSI  c30cm