Int. J. Appl. Radiat. Isotop., 19: 807-11(Nov. 1968).; Other Information: Orig. Receipt Date: 31-DEC-69; Bib. Info. Source: UK (United Kingdom (sent to DOE from))
Brit. J. Radiol. 45: No. 536, 628 (Aug 1972).; Other Information: Orig. Receipt Date: 31-DEC-72; Bib. Info. Source: UK (United Kingdom (sent to DOE from))