RENTSCH, Urs
Solar photovoltaics for irrigation water pumping - St. Gallen Swiss Center for Appropriate Technology 1982 - 18 p.
SOLAR ENERGY
IRRIGATION
621.47 / R4
Solar photovoltaics for irrigation water pumping - St. Gallen Swiss Center for Appropriate Technology 1982 - 18 p.
SOLAR ENERGY
IRRIGATION
621.47 / R4