@book{4962,
	author = {Karlsson,Dorris.},
	title = {Mechanization of Field Experiments in Semi- Arid Areas:},
	publisher = {IAMPE(International Association on Mechanization of Field Experiment), ICARDA (International Centre for Agricultural Research in the Dry Areas, },
	year = {c1987,},
	address = {Norway, Syria.:},
	note = {Includes references.}
}