Heaf, David (2008): Drops of water - pearls of wisdom.The Hidden Qualities of Water, edited by Wolfram Schwenk, Floris Books, Edinburgh, 2007. ISBN 978-086315-610-6, 143 pp, £16.99.. Elemente der Naturwissenschaft 88, P. 81 - 84. doi:10.18756/edn.88.81