B. Evans,
«Securing sanitation : the compelling case to address the crisis». Stockholm International Water Institute (SIWI), Stockholm, Sweden, p. 39 p. : 10 boxes, 4 fig., 13 tab.
P. Berkowitz,
«Water budgeting monitoring tool». Centre for Applied Legal Studies, CALS, Braamfontein, South Africa, p. 88 p. : fig., tab.