Piccolo-Allen G, Rogers JV, Edwards R, Clark MC, Allen T, Mercado-Ruiz I, Naumoff Shields K, Canuz E, Smith KR(2009) An Ultrasound Personal Locator for Time-Activity Assessment. Internl J Occup and Environ Health 15 (2): 122-132.An Ultrasound Personal Locator for Time-Activity Assessment.
→Download PDF