TY  - BOOK
AU  - JERMY, A.C
TI  - Phytogeny and classification of the ferns
U1  - 587.310 8 J44P 
PY  - 1973///
PB  - London
KW  - PHYLOGENY (BOTANY) -- CONGRESSES
KW  - FERNS -- CONGRESSES
ER  -