00297nam a2200109Ia 4500008004100000082001200041082000800053245010100061245000800162260000800170300000900178231017s9999    xx            000 0 und d  a624.183  bBSI 0aCode of Practice for the use of Masonry: Part 3: Materials and Components Design and Workmanship 0cBSI  bBSI  c30cm