TY  - REP
AU  - Pimentel,D.
TI  - Energy use in plant protection:  a global assessment [Pesticides]
U1  - 83-901966 
PY  - 1981///
KW  - Energy resources and management
KW  - Pesticides general
KW  - Protection of plants and stored products
N1  - Includes 14 ref
ER  -