TY  - BOOK
AU  - Hutchinson,J.
TI  - Key to the families of flowering plants of the world: Revised and enlarged for use as a supplement to The genera of flowering plants 
U1  - 582.13 23
PY  - 1967///
CY  - Oxford
PB  - Clarendon Press
KW  - Angiosperms
N1  - Originally published as Key to families included in The families of flowering plants. 1959
ER  -