TY  - GEN
ED  - Jamaica Bureau of Standards
TI  - Jamaican standard specification for ready-mixed concrete
SN  - ISBN 976-604-263-2
U1  - Pam 666.893 
PY  - 1999///
CY  - Kingston, 6 Winchester Rd., Kgn. 10
PB  - The Bureau
KW  - Standards - Jamaica
KW  - Ready-mixed concrete - Standards - Jamaica
N1  - First published 1985.- JS 133 : 1999
ER  -