TY  - BOOK
AU  - Esser, Karl 
TI  - Cryptogams : cyanobacteria, algae, fungi, lichens
SN  - 0521236215
U1  - 586 ESS 
PY  - 1982///
CY  - London : 
PB  - Cambridge University Press, 
KW  -  Cryptogams.
KW  - Algae.
N1  - Includes index
ER  -