TY - BOOK AU - Graves,Norman ED - Lidstone,John TI - People and environment: a world perspective SN - 0435343696 AV - GF75 .J66 2004 U1 - 304.2 22 PY - 1987/// CY - London PB - Heinemann Educational Books ltd KW - Environment KW - World Pespective KW - Human ecology KW - Environmental degradation KW - Endangered ecosystems ER -