TY  - GEN
AU  - Smith, D. W.
AU  - O'Neill, D. H.
AU  - Sims, B. G.
TI  - Testing and evaluation of agricultural machinery and equipment: principles and practices
SN  - 9251034583
U1  - 631.3 
PY  - 1994///
CY  - Rome
PB  - FAO
KW  - Specific techniques
KW  - Tools, machinery, apparatus, equipments
ER  -