TY - BOOK AU - Warner,Katherine ED - Food and Agriculture Organization of the United Nations. TI - Shifting cultivators : : local technical knowledge and natural reso urce management in the humid tropics / U1 - 631.5818 PY - 1991/// CY - Rome : PB - Food and Agriculture Organization of the United Nations, KW - Shifting cultivation N1 - Includes bibliographical references (p. 57-80) ER -