@mastersthesis {Wheatcroft1990,
	title = {{Rates and pathways of sediment bioturbation: A mechanistic approach}},
	volume = {Ph.D.},
	year = {1990},
	pages = {206},
	school = {University of Washington},
	type = {phd},
	address = {Seattle, Wash.},
	author = {Wheatcroft, R A}
}
