TY  - BOOK
AU  - Alward,Ron
AU  - Shapiro,Andy
TI  - Low-cost passive solar greenhouses
U1  - 631.583 
PY  - 1980///
CY  - box
PB  - National Center for Apropiate Technology
KW  - INVERNADEROS SOLARES
KW  - CALEFACCION Y VENTILACION
ER  -