TY - BOOK AU - Kumar,Ranjit AU - Murck,Barbara Winifred TI - On common ground: managing human-planet relationships SN - 0471640409 (pbk.) AV - GE170 .K86 1992 PY - 1992/// CY - Toronto, New York PB - Wiley KW - Conservation of natural resources KW - Environmental policy N1 - Includes bibliographical references (p. [208]-216) ER -