TY  - BOOK
AU  - SPORNE (K R).
TI  - Morphology of pteridophytes. Ed 3
SN  - 0 09 104881 8
U1  - 587.044 SPOM 
PY  - 1974///
CY  - London
PB  - Hutchinson University
KW  - Morphology, Pteridophytes


ER  -