a . Louis A. Frank with Patrick Huyghe, The Big Splash (New York: Carol Publishing Group, 1990).
u Richard Monastersky, “Comet Controversy Caught on Film,” Science News, Vol. 133, 28 May 1988, p. 340.
u Timothy M. Beardsley, “Ice Storm,” Scientific American, Vol. 258, June 1988, p. 24.
u Jonathan Eberhart, “A Bunch of Little Comets—But Just a Little Bunch,” Science News, Vol. 132, 29 August 1987, p. 132.
u Richard A. Kerr, “In Search of Elusive Little Comets,” Science, Vol. 240, 10 June 1988, pp. 1403–1404.
u Richard A. Kerr, “Double Exposures Reveal Mini-Comets?” Science, Vol. 243, 13 January 1989, pp. 170 –171.
u Richard Monastersky, “Small Comet Controversy Flares Again,” Science News, Vol. 137, 9 June 1990, p. 365.