TY  - BOOK
AU  - Koren,Hernan
ED  - National Environmental Health Association
TI  - Handbook of environmental health and safety: Principles and practices 
SN  - 0873712722
AV  - RA565 K67 1991
PY  - 1991///
CY  - Chelsea, michigan
PB  - Lewis
KW  - Salud ambiental
KW  - Ingeniería ambiental
N1  - "national environmental health association"
ER  -