TY  - BOOK
AU  - Ouden,P.den
AU  - Boom,B.K.
TI  - Manual of cultivated conifers: hardy in the cold-and warm-temperate zone
U1  - 635.9 
PY  - 1982///
CY  - The Hague
PB  - M. Nijhoff
KW  - Ornamental conifers
KW  - Conifers
KW  - Varieties
N1  - Includes indexes
ER  -