TY  - GEN
AU  - Geesink R
TI  - Thonner's anlytical key to the families of flowering plants
SN  - 90-220-0730-8
U1  - 582.13 GEE 
CY  - wagenningen, PUDOC centre for agricultural publishing and documentation
KW  - Anyiosperms/ taxonomy/ families
ER  -