TY  - BOOK
AU  - x, x
AU  - Mansfield,T.A.
TI  - Effects of air pollutants on plants : x 
SN  - x     
U1  - 581.2/MAE 
PY  - 1976///
CY  - Cambridge 
PB  - C.U.P. 
KW  - Plants
KW  - Plants-diseases
ER  -