TY  - BOOK
ED  - National Center for Appropriate Techonology. Butle, Montana
TI  - A hidden health hazard in the soil: : lead
PY  - 1981///
CY  - Butle, Montana
PB  - The Center
KW  - Alimentos
KW  - Contaminación
KW  - Suelos, plomo en
KW  - Suelos
N1  - D14-120
ER  -