TY  - GEN
ED  - World Health Organization. Office of Global and Integrated Environmental Health.
TI  - Health and environment library modules : environmental health : general issues = Modules documentaires sante environnement : salubrite de l` environnement : generalites
AV  - 2nd rev. ed. 
PY  - 1997///
CY  - Geneva : 
PB  - World Health Organization
KW  - Environmental health
KW  - Bibliography
KW  - Library collection development
KW  - Information services
KW  - Water supply
ER  -