TY - GEN ED - SRI LANKA STANDARDS INSTITUTION TI - SLS 912 : 1990 : Specification for Red Phosphorus PY - 1990/// CY - Colombo PB - SLSI KW - a661.631:662.532 KW - SRI LANKA-STANDARDS KW - STANDRDS-SRI LANKA N1 - STD3030 ER -