TY  - BOOK
AU  - Crabbe J A Ed.
AU  -  Jermy A C Ed.
AU  -  Thomas B A Ed.
TI  - Phylogeny and classification of the ferns
U1  - I42:11, L3 
PY  - 1973///
CY  - London
PB  - Academic Press        
KW  -  Fern
KW  - Botany
ER  -