TY  - SER
AU  - Diekmann Jurgen 
AU  - Karlsson Doris
TI  - Mechanization of Field Experiments in Semi-arid Areas: Proceedings of a regional conference 23rd-27th, 1987
PY  - 1987///,
CY  - Norway
PB  - Norwegian Institute of Agricultural Engineering (NIANE)
KW  - Agricultural machinery
KW  - Agriculture
KW  - Research
ER  -