TY - BOOK AU - Lloyd,Barry AU - Helmer,Richard ED - World Health Organization. ED - United Nations Environment Programme. TI - Surveillance of drinking water quality in rural areas SN - 0582063302 PY - 1991/// CY - Essex PB - Longman Scientific & Technical KW - Drinking water KW - analysis KW - standards KW - Water quality KW - Rural health KW - Indonesia KW - Peru KW - Zambia N1 - Published on behalf of the World Health Organization and the United Nations Environment Programme ER -