TY  - BOOK
AU  - Ergonomic Symposium, 5th, Wageningen, May 14-18, 1979
TI  - Ergonomics in tropical agriculture and forestry : proceedings
U1  - 634.909.13 E77E 
PY  - 1979///
CY  - Wageningen
PB  - PUDOC
KW  - FORESTS AND FORESTRY -- TROPICS -- CONGRESSES
KW  - AGRICULTURE -- TROPICS
KW  - FORESTS AND FORESTRY -- TROPICS -- CONGRESSE
ER  -