TY  - BOOK
AU  - Hawksworth, David L.
AU  - Rose, Francis
TI  - Lichens as pollution monitors
SN  - 0713125551
AV  - QH545.A1.L5 .H38 1976
PY  - 1976///
CY  - London
PB  - Edward Arnold
KW  - Lichens
N1  - includes bibliographical references
ER  -