TY - BOOK AU - Barney, Gerald O., ed. TI - The unfinished agenda: the citizen’s policy guide to environmental issues SN - 0690014813 U1 - 333.715 21st ed. PY - 1977/// CY - New York PB - Thomas Y. Crowell KW - Environmental policy-United States KW - Natural resources KW - Population N1 - Index: pp 179-84 ER -