TY  - BOOK
AU  - Lehmann,Fritz
TI  - Mechanical and automatic repositioning of sprinkler irrigation laterals
U1  - 631.3 L44M 
PY  - 1956///
CY  - Bedford,U.K.
PB  - NAtional Institute of Agricultural Engineering
KW  - SPRINKLER IRRIGATION
KW  - AGRICULTURAL IMPLEMENTS
ER  -