TY  - BOOK
AU  - Welch,H.J.
AU  - Ouden,P.den
AU  - Welch,H.J.
TI  - The conifer manual
SN  - 0792306163
AV  - SB428 .W39 1990
PY  - 1991///-
CY  - Dordrecht, Boston
PB  - Kluwer Academic Publishers
KW  - Ornamental conifers
KW  - Conifers
KW  - Varieties
N1  - "Represents a full revision and up-dating of ... Manual of cultivated conifers in the cold and warm-temperate zone, by P. den Ouden and Dr. B.K. Boom (1965) and Manual of dwarf conifers, by Humphrey J. Welch (1979)."
ER  -