@book{56373,
	author = {United States},
	title = {Occupational safety and health act of 1970 (oversight and proposed amendments)},
	publisher = {U.S. Govt. Print. Off.},
	year = {1975.},
	address = {Washington},
	note = {Hearings held Mar. 19-Sept. 26 in Washington, D.C., Nov. 14 in Portland, Or., and Nov. 16, 1974, in San Francisco.}
}