Hydraulophones featured as the lead article in WaterShapes, Volume 10, No 2, 2008 February

on the cover and as the lead article:

If you have a reprint of the article, the actual page numbers and inside cover page are not included in the reprint, so for scholarly reference purposes, or the like, they are shown below:

Backpage from reprint:
, (jpeg), (text-only);

Reprint: