TY - GEN ED - SRI LANKA STANDARDS INSTITUTION TI - SLS 661 : 1984 : Standard temperatures, humidities and times for the conditioning and testing of rubber PY - 1984/// CY - Colombo PB - SRI LANKA STANDARDS INSTITUTION KW - a678:620.1:551.58:697.9 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2857 ER -