TY  - BOOK
TI  - Thonner`s analytical key to the families of flowering plants: Thonner, Franz,  Geesink, R.; Leeuwenberg, A. J. M.; Ridsdale, C. E
SN  - 9022007308
U1  - 582.131012   
PY  - 1981///
CY  - Wageningen : Centre for Agricultural Pub. and Documentation ; Hague ; Boston
PB  -  Leiden University Press ; Hingham, MA : Distributors for the U.S. and Canada, Kluwer Boston
ER  -