TY  - BOOK
AU  - Kubitzky, K.
AU  - Kramer, K.U.
AU  - Green, P.S.
TI  - Pteridophytes and Gymnosperms
SN  - 8185198403
U1  - 581.41 
PY  - 1991///
CY  - New Delhi
PB  - Narosa
N1  - Families and Genera of Vascular plants, V.1
ER  -