From J. L. Briem:

Re: Frosty asteroid hints at origin of oceans: scientists (April 28): We should give credit where it is due. Published 1990; The Big Splash, by Dr. Louis A. Frank. ISBN 1-55972-033-6. Or maybe a newspaper article in the Orange County Register, Thursday May 29, 1997, page 1, and news page 9. P1 title “House-size comets quench Earth’s thirst”. P9 news title, “Years of ridicule yield to astral vindication”.