TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS 543 : 1981 : Methods of sampling for food colours PY - 1981/// CY - Colombo PB - BCS KW - a664.099.62.001.4 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2737 ER -