TY  - BOOK
AU  - Smith, Robert Leo
TI  - Elements of ecology
SN  - 0060463279
U1  - 577 SMI 
PY  - 1986///
CY  - Cambridge
PB  - Harper & Row Publishers
KW  - Nutrition policy - Developing countries
KW  - Nutrition surveys - Developing countries - Methodology
ER  -