TY  - BOOK
AU  - Sporne,K.R.
TI  - The morphology of pteridophytes: the structure of ferns and allied plants 
T2  - Hutchinson university library. Biological sciences
U1  - 587 23
PY  - 1966///
CY  - London
PB  - Hutchinson
KW  - Pteridophyta
KW  - Plant morphology
N1  - Bibliography: p. 183-188
ER  -