TY  - BOOK
AU  - Geesink , R. and others,
TI  - Thonners Analytical Key to the Families of Flowering Plants
SN  - 9022007448
U1  - 583 
PY  - 1981///
CY  - Netherlands
PB  - Centre for Agricultural Pub. & Docu.
KW  - Dicotyledons
KW  - Flowering Plants
ER  -