TY  - GEN
AU  - Balls, R. C. 
TI  - Horticultural engineering technology fixed equipment and buildings
SN  - 033336435X
U1  - 631.2 
PY  - 1986///
CY  - London
PB  - Macmillan Publishing Company
KW  - Agriculture structures
KW  - Apparatus , equipment , materials
ER  -