TY  - BOOK
TI  - Plant systematics for the 21st century: proceedings from a symposium held at the Wenner-Grencentre, Stockholm in September 1998
SN  - 1-85578-135-2.
U1  - 582 
PY  - 2000///
CY  - Ghazaly; M. Kassas. London
PB  - Portland
ER  -