TY - GEN AU - Boon, P.J AU - Davies, B.R AU - Petts, G.E TI - Global perspectives on river conservation: Science, policy and practice SN - 0471960624 U1 - 333.916216 PY - 2000/// CY - Chichester PB - Johm Wiley KW - RIVER CONSERVATION KW - STREAM CONSERVATION ER -