Lighting in greenhouses : a guide to the practical design of installations.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London :
Electricity Council,
1973.
|
| Cyfres: | Grow electric handbook ;
no. 2 |
| Pynciau: |
| Disgrifiad Corfforoll: | xi, 98 p. : ill. ; 21 cm. |
|---|