TY  - BOOK
AU  - Sporne, K.R
TI  - The morphology of pteridophytes 
SN  - 0091238617
U1  - 587  
PY  - 1975///
CY  - London: 
PB  - Hutchinson and Co. Ltd. 
KW  -  Botanical sciences
KW  - Pure Sciences
KW  - Morphology | Pteridophytes | Vascular plants
ER  -