TY  - BOOK
AU  - Walker, Colin.
AU  - Walker, Colin.
TI  - Environmental pollution by chemicals
SN  - 0-09-123895-9
U1  - 303.7384 WAE 22
PY  - 1975///
CY  - London.
PB  - Hutchinson.
KW  -  
KW  - Toxic chemicals
ER  -