TY  - BOOK
AU  - Granhof, Jens.
ED  - DANIDA Forest Seed Centre.
TI  - Mass production of improved material (2): seed orchards 
U1  - 634.9 GRA 
PY  - 1991///
CY  - Copenhagen
PB  - Danida Forest Seed Centre
KW  - Seed orchards
N1  - Includes bibliographical refeences (p. 23-4)
ER  -