TY  - BOOK
AU  - Green, P.S
AU  - Kramer, K.U
AU  - Kubitzki, K
TI  - The fammilies and general of vascular plants
SN  - 3540512944
U1  - 583.012 
PY  - 1990///
CY  - Berlin Heidenberg
PB  - Springer Verlag
KW  - Pteridophyta - classifications
KW  - Gymnosperms - Classifications
N1  - Voli: pteridophytes and gymnosperms
ER  -