TY  - BOOK
AU  - Aldrich, Robert A.
AU  - Bartok, John W.
TI  - Greenhouse engineering
T2  - NRAES
U1  - 631.34 
PY  - 1989///
CY  - Ithaca, N.Y.
PB  - Northeast Regional Agricultural Engineering Service
KW  - Invernaderos
ER  -