Bordeaux (1) Sénégal (1) Economic conditions (1) Development (1) Propagation (1) Agriculture (1) Plumbing fixtures (1) Year (1) Water resources development (1) Water-power (1) Water (1) University presses (1) Schistosomiasis (1) Responsibility (1) Quality of life (1) Politics, Practical (1) Political science (1) Plumbing--Equipment and supplies (1) Lifestyles (1) Life (1) Human ecology (1) Fresh water (1) Engineering (1) Desertification (1) Dams (1) Cost and standard of living (1) Charm (1) Barrages (1) A priori (1) Glamour (1)