TY  - BOOK
TI  - Puerto Rico official industrial directory.
SN  - 0090-3612
AV  - HC157.P8 P596
U1  - 380.1/025/7295 
PY  - 1992///
CY  - San Juan
PB  - The Witcom Group, inc.
KW  - Puerto Rico
KW  - Industries
KW  - Directories
KW  - Local
KW  - Commerce
N1  - Publisher: Whitney Marketing, <-1988>; Direct Marketing & Media, 1992-; Vol. for 1992 called Special edition
ER  -