TY  - BOOK
AU  - Unsworth, M. H.
AU  - Ormrod, D. P.
TI  - Effects of gaseous air pollution in agriculture and horticulture [proceedings]
U1  - 581.5:614.71 
PY  - 1982///
CY  - London
PB  - Butterworths
KW  - Pollution, Air
KW  - Air pollution
KW  - Environmental health
KW  - Pollution
KW  - gaseous air pollution
KW  - Agriculture
KW  - Horticulture
N1  -  Ref. at the end of each chap
ER  -