TY - BOOK ED - Centre for Housing, Building, and Planning United Nations ED - United Nations. TI - Human settlements: the environmental challenge SN - 0333140710 AV - HC79.E5 U4 1974 U1 - 301.31 PY - 1974///] CY - [London] PB - Macmillan [for the] Centre for Housing, Building and Planning, United Nations Department of Economic and Social Affairs KW - Environmental policy KW - Addresses, essays, lectures KW - Local KW - Human settlements KW - Planning N1 - Includes bibliographical references ER -