Nature (London), v. 249, no. 5459, pp. 747-748; Other Information: Orig. Receipt Date: 31-DEC-74; Bib. Info. Source: UK (United Kingdom (sent to DOE from))
pp 39-159 of Progress in Elementary Particle and Cosmic Ray Physics. Vol. IX. Wilson, J. G. Wouthuysen, S. A. (eds.). New York, John Wiley and Sons, Inc., 1967.; Other Information: Orig. Receipt Date: 31-DEC-68
pp 492-503 of Proceedings of the VI Interamerican Seminar on Cosmic Rays. Vol. II. La Paz, Bolivia Univ. Mayor de San Andres (1970).; Other Information: From 6. interamerican seminar on cosmic rays; La Paz, Bolivia (19 Jul 1970). See CONF-700708--(Vol.2). Orig. Receipt Date: 31-DEC-72; Bib. Info. Source: IAA (International Aerospace Abstr.)