TY  - BOOK
AU  - Davis, P. H.
AU  - Heywood, V. H.
TI  - Principles of angiosperms taxonomy
U1  - 582.13  
PY  - 1963///
CY  - London
PB  - Oliver & Boyd
KW  - Botany
KW  - Angiosperm
KW  - Taxonomy
ER  -