TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS : 466 : part 16 : 1983 : Specification for plant protection products part 16 - Paraquat PY - 1983/// CY - Colombo PB - BUREAU OF CEYLON STANDARDS KW - a632.95 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2653 ER -