00679nam0-22002411i-450-990002673570403321000267357FED01000267357(Aleph)000267357FED0100026735720000920d1976----km-y0itay50------baENGEconomic modeling for water policy evaluationby ThrallAmsterdamNorth Holland1976Thrall,Robert M.50916ITUNINARICAUNIMARCBK9900026735704033210-4-60-TI4214ECAECAEconomic modeling for water policy evaluation430088UNINAING01