@book{67205,
	author = {National Council on Radiation Protection and Measurements.},
	title = {Screening techniques for determining compliance with environmental standards},
	publisher = {National Council on Radiation Protection and Measurements},
	year = {c1986.},
	series = {NCRP commentary},
	address = {Bethesda, Md.},
	note = {"Issued March 31, 1986."}
}