G. Stephenson

Expression of interest to the Superconducting Super Collider Laboratory by the L* Collaboration

Joseph A. Paradiso, R. T. Primm, B. C. Chakoumakos, 1990 .

The analysis of various size, visually selected and density and magnetically-separated fractions of

N. N. Greenwood, C. Pillinger, G. Eglinton, 1974 .