TY  - BOOK
AU  - Unsworth, M. H.
TI  - Effects of gaseous air pollution in agriculture and hortiuclture
U1  - 581.5 
PY  - 1982///
CY  - London
PB  - Butterworth
KW  - Aire
KW  - Contaminacion
KW  - Efecto en plantas
ER  -