TY  - GEN
AU  - Sporne, K.R.
TI  - Morphology of pteridophytes, The, : the structure of ferns and allied plants
U1  - 587 
PY  - 1962///
CY  - London
PB  - Hutchinson Un.
KW  - CRYPTOGAMS PLANT ANATOMY PTERIDOPHYTA
ER  -