TY  - BOOK
AU  - Myers, Michael W.
ED  - Water Environment Federation.
ED  - Water Environment Federation.
TI  - Confined space entry: a special publication 
SN  - 1881369390
AV  - TD434 C65
PY  - 1994///
CY  - Alexandria, Virginia
PB  - Water Environment Federation
KW  - Plantas para tratamiento de agua
KW  - Medidas de seguridad
ER  -