Utilization of solar and geothermal engery for heating greenhouses : report and proceedings
ZABEL-TITZ, Chr. Von
Utilization of solar and geothermal engery for heating greenhouses : report and proceedings - Rome 1989 - 143p - CNRE bulletin, no.21 .
GREENHOUSES -- HEATING AND VENTILATION
GREENHOUSES -- HEATING AND VENTILATION SOLAR GREENHOUSES
631.34 J52U
Utilization of solar and geothermal engery for heating greenhouses : report and proceedings - Rome 1989 - 143p - CNRE bulletin, no.21 .
GREENHOUSES -- HEATING AND VENTILATION
GREENHOUSES -- HEATING AND VENTILATION SOLAR GREENHOUSES
631.34 J52U