@book{34230,
	author = {Hollenberg, Alvin Herbert,},
	title = {Farm mechanics in vocational agriculture,},
	publisher = {U.S. Dept. of Health, Education, and Welfare, Office of Education},
	year = {[1959]},
	series = {[U.S. Office of Education] Vocational Division. Bulletin},
	address = {[Washington]}
}