TY  - BOOK
AU  - Unsworth, M.H..
TI  - Wffects of gaseous air pollution in agriculture and hoticulture / 
SN  - 0-408-10705-7
U1  - J1(D854) 
CY  - London : 
PB  - Butterworth Scientific.
KW  - Agriculture<Air Pollution>
ER  -