TY - GEN TI - Standard: newsletter of the Trinidad & Tobago Bureau of Standards U1 - S874 CY - Port-of-Spain PB - Trinidad and Tobago Bureau of Standards N1 - 1974 - no. 2 February; 1975 - Vol. 1, no. 2 September ; no. 3 November/December; 1976 - Vol. 2, no. 1 January/February ; no. 2 April/May ; no. 3 July/August ; no. 4 September/October ; no. 5 November/December; 1977 - Vol. 3, no. 1 January/March ; no. 2 April/May ; no. 3 July/August ; no. 4 September/December; 1978 - Vol. 4, no. 1 January/February ; no. 2 May/June ; no. 3 July/September ; no. 4 November/December; 1979 - Vol. 5, no. 1 January/March ; no. 2 July ; no. 3 October/December; 1981 - Vol. 7, no. 1 January/June ; no. 2 July/September ; no. 3 October/December; 1982 - Vol. 8, no. 1 January/June ; no. 2 April/June ; no. 3 October/December; 1984 - Anniversary issue; 1986 - Vol. 12, no. 2 April/May ; no. 3 July/August ; no. 4; 1989 - Vol. 15, no. 1 ER -