TY  - BOOK
ED  - Puerto Rico.
TI  - Manufactura de puertas y ventanas... = Manufacture of doors and windows..., 19-
PY  - 0000///19-
CY  - [San Juan, P.R.]
PB  - División de Análisis de Salarios y Estudios Ocupacionales...
KW  - Doors
KW  - Local
KW  - Windows
KW  - LEMB
KW  - Building
KW  - Puerto Rico
N1  - Included appendices and explanatory notes; Part of text in English
ER  -