TY  - GEN
TI  - Handbook of pure seed definitions with illustrations: excluding forest tree seeds
SN  - 3906549070
U1  - 634.956 
PY  - 1987///
CY  - Switzerland
PB  - The International Seed Testing Association
KW  - Orchard,fruit
KW  - Forestation
KW  - Silviculture
KW  - Forestry
ER  -