Abstract
September 2003, Water Research Commission, Pretoria, South Africa, Ring-bound soft cover, 220 pages. WRC Report No. TT 214/03; ISBN 978-1-77005-055-6; price R100.00 (South Africa), US$50.00 (international). Obtainable from the Water Research Commission, Private Bag X03, Gezina, Pretoria 0031, South Africa, or [email protected]