TY  - BOOK
AU  - Alward, Ron.
AU  - Shapiro, Andy.
TI  - Low-cost passive solar qreenhouses: : a desing and construction guide
U1  - 631.34 
PY  - 1980///
CY  - Butte, Montana
PB  - National Center for Appropriate Technology
KW  - Energía solar en agricultura
KW  - Horticultura
KW  - Aspectos económicos
KW  - Invernaderos
ER  -