TY - GEN AU - Lawson, R.M. ED - Steel Construction Institute TI - Commentary on BS 5950 : pt.3 : section 3.1 composite beams SN - 1-870004-57-4 PY - 1990/// CY - Ascot PB - Steel Construction Institute KW - BEAMS AND GIRDERS-COMPOSITE KW - BEAMS AND GIRDERS-DESIGN KW - COMPOSITE STRUCTURES ER -