TY  - BOOK
AU  - Seaward, Mark R.D.
TI  - Lichen ecology
U1  - 589.1 SEA 
PY  - 1977///.
CY  -  London : 
PB  - Academic Press, 
KW  - Lichens -- Ecology.
KW  - Lichens.
KW  - Écologie végétale.
N1  - Includes index
ER  -