TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS 466 : Part 7 : 1979 : Specification for plant protection products : part 7 : BHC PY - 1979/// CY - Colombo PB - BUREAU OF CEYLON STANDARDS KW - a632.95 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2645 ER -