TY  - BOOK
AU  - Kristoffersen, T,
TI  - Symposium on More Profitable Use of Energy in Protected Cultivation No. 76
U1  - 635.9823 
PY  - 1978///
CY  - Belgium
PB  - International Society of Horticulture Science
KW  - Garden crops (Horticulture)
ER  -