TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS : 411 : 1977 : Method for bar scheduling in building drawings PY - 1977/// CY - Colombo PB - BUREAU OF CEYLON STANDARDS KW - a744.4 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2600 ER -