Kyte, Frank T.; Wasson, John T. (1982): Geochemical constraints on the nature of large accretionary events. Geological Society of America (GSA), Boulder, CO, United States, In: Silver, Leon T. (editor), Schultz, Peter H. (editor), Geological implications of impacts of large asteroids and comets on the Earth, 190, 235-242, georefid:1983-039478