TY  - BOOK
AU  - Thonner,Franz,1863-
AU  - Geesink,R.
TI  - Thonner's analytical key to the families of flowering plants
SN  - 906021479X
PY  - 1981///
CY  - Wageningen
PB  - Pudoc Centre for Agricultural Publishing and Documentation
KW  - Phanerogams
KW  - Identification
KW  - Plants
N1  - Includes index; Translated and revised edition of: Anleitung zum Bestimmen der Familien der Blutenpflanzen, 2nd ed. 1917
ER  -