TY - GEN ED - Bureau of Ceylon Standards, Colombo LK TI - SLS : 537 : part 2 : 1981 : Method for chemical testing of leather part 2 - determination of part 1 PY - 1981/// CY - Colombo PB - BCS KW - a675:543.257.1 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2728 ER -