Lawrence JH, Gofman JW (eds.): Advances in Biological and Medical Physics. Advances in Biological and Medical Physics, volume 14; Elsevier, Amsterdam; pp. 163-223; ISBN 978-0-12-005214-1
U.S. Department of Health, Education, and Welfare (HEW), U.S. Public Health Service (PHS), Food and Drug Administration (FDA), Bureau of Radiological Health (BRH),
DHEW Publication No. (FDA) 73-8031 (BRH/DBE 73-3): 1-13