TY - GEN AU - Ahlfeld , David P. AU - Mulligan , Ann E. TI - Optimal management of flow in grounwater systems SN - 0120448300 U1 - 333.9104 PY - 2000/// CY - San Diego PB - Academic Press KW - WATER RESOURCES MANAGEMENT KW - NATURAL RESOURCES - GROUND WATER KW - ECONOMICS KW - CD ER -