TY  - BOOK
AU  - Hutchinson, John.
TI  - Key to the families of flowering plants of the world
U1  - 582.13 
PY  - 1967///
CY  - Oxford
PB  - Clarendon Press
KW  - Botánica
KW  - Clasificación
N1  - "... Supplement to The genera of flowering plants."
ER  -