TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS : 473 : 1979 : Method for testing of paper & board for water absorption - Cobb method PY - 1979/// CY - Colombo PB - BUREAU OF CEYLON STANDARDS KW - a676.620.1 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2659 ER -